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24 results for “Dendrophylliidae”
FIGURE 8 in Biodiversity, ecology, and taxonomy of sediment-dwelling Dendrophylliidae (Anthozoa, Scleractinia) in the Gulf of Thailand
FIGURE 8 Digital reconstructions of Heteropsammia specimens based on Micro CT scans. A–E: H. moretonensis (HmKTa). A–C) a series of three transverse slices, from calice margin and base of fossa (A, B) and finally base of corallite with sipunculan chamber visible (C–D) lateral slice with yellow dashed lines denoting the position of slices in A–C, E) reconstructed view within coral, with sipunculan chamber and efferent pore channels projecting laterally. F–J: H. cochlea (KTa). F–H) a series of three transverse slices, from calice margin and base of fossa (F, G) and finally base of corallite with sipunculan chamber visible (C); I, J: lateral and top down (I and Downloaded from Brill.com 06/21/2024 06:29:01PM J, respectively) view into coralliteviawith Openvariable Access. This opacityisand an open sipunculanaccesschamber article distributed under the terms visible. Scale bars: 2.5 mm. of the CC BY 4.0 license. https://creativecommons.org/licenses/by/4.0/
FIGURE 1 in Biodiversity, ecology, and taxonomy of sediment-dwelling Dendrophylliidae (Anthozoa, Scleractinia) in the Gulf of Thailand
FIGURE 1 Map of survey sites in the Gulf of Thailand; A) Koh Samaesan; B) Hin Chalam; C) Koh Mun Nai; D) Koh Mun Klang; E) Site HYE21; F) Koh Mun Nok; G) Sai Nuan; H) Tao Tong; I) Taa Chaa; J) Leuk Bay; K) Tanote Bay.
FIGURE 2 in Biodiversity, ecology, and taxonomy of sediment-dwelling Dendrophylliidae (Anthozoa, Scleractinia) in the Gulf of Thailand
FIGURE 2 Digital images of specimens based on micro-CT scans. A– D) Tubastraea stimpsonii comb. nov. (EKTa) A) Series of nine transverse slices from calice margin (i) towards base (ix); B, C) lateral view with varying opacities, yellow dashed lines denote the position of slices in A; D) top down view into corallite showing calicular features. E, G, I) Cladopsammia gracilis (RKTa). E) lateral view of small colony specimen including holdfast; G) close-up of theca with striae visible; I) wide slice of upper portion of a single corallite showing calicular features. F, H) Tubastraea diaphana (TmKT19b). F) lateral view of typical colony specimen including holdfast; H) wide slice of upper portion of a single corallite showing calicularDownloaded features.from ScaleBrill bars.: com 06/21/2024 06:29:01PM 5 mm. via Open Access. This is an open access article distributed under the terms of the CC BY 4.0 license. https://creativecommons.org/licenses/by/4.0/
FIGURE 7 in Biodiversity, ecology, and taxonomy of sediment-dwelling Dendrophylliidae (Anthozoa, Scleractinia) in the Gulf of Thailand
FIGURE 7 Heteropsammia spp. (scale bars: 5 mm). A–C) living specimen of H. moretonensis, showing dorsal, lateral and ventral views respectively; D–F) living specimen of small H. cochlea, showing dorsal, lateral and ventral views respectively; G, H) in situ photos of H. moretonensis (specimens HmKS20, HmKMN21; I–K) H. cochlea specimen KT-1m (one mouth, normal phase), specimen KT-2m (two mouths) and specimen KT-4m (four mouths, amorphous phase); L–N) H. eupsammides specimens Ko1, Ko4, and Ko5 respectively (scale bars: 5 mm). RMNH.COEL.39394. Locality: Teluk Slawi, SE Pulau Lassa, East Komodo (08°36'08"N, 119°29'47"E), 13 November 2002.
FIGURE 4 in Biodiversity, ecology, and taxonomy of sediment-dwelling Dendrophylliidae (Anthozoa, Scleractinia) in the Gulf of Thailand
FIGURE 4 Partial phylogeny reconstruction of Dendrophylliidae including the Heteropsammia clade, based on Bayesian Inference and the concatenated dataset (COI + IGR + rDNA). Posterior probability values greater than 0.7 shown, specimens in bold and coloured based on sequences provided in the present study.
FIGURE 6 in Biodiversity, ecology, and taxonomy of sediment-dwelling Dendrophylliidae (Anthozoa, Scleractinia) in the Gulf of Thailand
FIGURE 6 Dendrophyllia cf. minima. (B, C specimen HC 20f, D, E specimen HC20g) A) living specimen in situ (scale bar: 5 mm); B) digitial reconstruction of a single corallite with varying opacities highlighting external surface beneath calcified layer of coralline algae (scale bar: 2 mm); C) digital top-down view into corallite with calicular features visible (scale bar: 1 mm); D) top down view of skeleton of different specimen (scale bar: 1 mm); E) dorso-lateral skeletal view of calice (scale: bar 1 mm). Downloaded from Brill.com 06/21/2024 06:29:01PM via Open Access. This is an open access article distributed under the terms of the CC BY 4.0 license. https://creativecommons.org/licenses/by/4.0/
FIGURE 5 in Biodiversity, ecology, and taxonomy of sediment-dwelling Dendrophylliidae (Anthozoa, Scleractinia) in the Gulf of Thailand
FIGURE 5 Living corals with their specimen numbers (scale bars: 10 mm). A, B) Tubastraea stimpsonii (EKT19, EKT20); C) Tubastaea cf. chloromura (YKT19c) left and Tubastraea diaphana (TmKT19a) right; D) Tubastraea diaphana (TmKT19b); E, F) Cladopsammia gracilis (RKT19, RKS20).
FIGURE 10 in Biodiversity, ecology, and taxonomy of sediment-dwelling Dendrophylliidae (Anthozoa, Scleractinia) in the Gulf of Thailand
FIGURE 10 Mean population densities of dendrophylliids from soft substrate habitats at surveyed sites across the Gulf of Thailand. Vertical lines represent S.E. Location of the sites displayed in fig. 1.
FIGURE 3 in Biodiversity, ecology, and taxonomy of sediment-dwelling Dendrophylliidae (Anthozoa, Scleractinia) in the Gulf of Thailand
FIGURE 3 Partial phylogeny reconstruction of Dendrophylliidae including the Tubastraea clade, based on Bayesian Inference and the concatenated dataset (COI + IGR + rDNA). Posterior probability values greater than 0.7 shown, specimens in bold and coloured based on sequences provided in the present study. Downloaded from Brill.com 06/21/2024 06:29:01PM via Open Access. This is an open access article distributed under the terms of the CC BY 4.0 license. https://creativecommons.org/licenses/by/4.0/
FIGURE 9 in Biodiversity, ecology, and taxonomy of sediment-dwelling Dendrophylliidae (Anthozoa, Scleractinia) in the Gulf of Thailand
FIGURE 9 Variation in morphology and ecology of solitary soft-susbstrate associated Dendrophylliidae in the Gulf of Thailand. A, B) in situ observations of variable polystomatism in Heteropsammia cochlea (scale bars 5 mm); C) a bleached specimen of H. cochlea in situ (scale bar 10 mm); D) simultaneous ingestion of large salps by two mouths in a single H. cochlea colony, individual salps indicated by brackets (scale bar 10 mm); E,F) rare cases of division in H. moretonensis (scale bars 5 mm); G) ecto-parasitism on H. cochlea by an unidentified epitoniid snail (white arrow) with clusters of eggs (red arrow) attached to the corallite (scale bar 10 mm); H) ingestion of an oral disk of ceriantharian (white bracket) by H. moretonensis (scale bar 10 mm); I) ingestion of an anemone tentacle (white bracket) by H. moretonensis (scale bar 10 mm); J) ingestion of a medusa of Pelagia sp. (white bracket) by H. cochlea (scale bar 10 mm); K) proto-cooperative ingestion of a sea pen by Downloadedtwo from Brill.com 06/21/2024 06:29:01PM mouths in a single colony of via TubastraeaOpen Access stimpsonii. This(scale is an baropen 10 mm access). article distributed under the terms of the CC BY 4.0 license. https://creativecommons.org/licenses/by/4.0/
Data from: Genetic assessment of population structure and connectivity in the threatened Mediterranean coral Astroides calycularis (Scleractinia, Dendrophylliidae) at different spatial scales
Understanding dispersal patterns, population structure and connectivity among populations is helpful in the management and conservation of threatened species. Molecular markers are useful tools as indirect estimators of these characteristics. In this study we assess the population genetic structure of the endemic Mediterranean coral Astroides calycularis in the Alboran Sea at local and regional scales, and at three localities outside of this basin. Bayesian clustering methods, traditional F-statistics and Dest statistics were used to determine the patterns of genetic structure. Likelihood and coalescence approaches were used to infer migration patterns and effective population sizes. The results obtained reveal a high level of connectivity among localities separated by as much as one kilometer and moderate levels of genetic differentiation among more distant localities, somewhat corresponding with a stepping-stone model of gene flow and connectivity. These data suggest that connectivity among populations of this coral is mainly driven by the biology of the species, with low dispersal abilities; in addition, hydrodynamic processes, oceanographic fronts and the distribution of rocky substrate along the coastline may influence larval dispersal.
Data from: A population genomics insight by 2b-RAD reveals populations' uniqueness along the Italian coastline in Leptopsammia pruvoti (Scleractinia, Dendrophylliidae).
Aim: Marine bioconstructions such as coralligenous formations are hot spot of biodiversity and play a relevant ecological role in the preservation of biodiversity by providing carbon regulation, protection and nursery areas for several marine species. For this reason, the European Union Habitat Directive included them among priority habitats to be preserved. Despite their ecological role is well-established, connectivity patterns are still poorly investigated, representing a limit in conservation planning. The present study pioneers a novel approach for the analysis of connectivity in marine bioconstructor species, which often lack suitable genetic markers, by taking advantage of next generation sequencing techniques. We assess the geographical patterns of genomic variation of the sunset cup coral Leptopsammia pruvoti Lacaze-Duthiers, 1897, an ahermatypic, non-zooxanthellate and solitary scleractinian coral species common in coralligenous habitats and distributed across the Mediterranean Sea. Location: The Italian coastline (Western and Central Mediterranean). Methods: We applied the restriction site associated 2b-RAD approach to genotype over 1,000 high quality and filtered Single Nucleotide Polymorphisms in 10 population samples. Results: The results revealed the existence of a strongly supported genetic structure, with highly significant pairwise FST values between all the population samples, including those collected about 5 kilometers apart from each other. Moreover, genomic data indicates that the strongest barriers to gene flow are between the western (Ligurian-Tyrrhenian Sea) and the eastern side (Adriatic Sea) of the Italian peninsula. Main conclusions: The strong differentiation found in L. pruvoti, is similar to that found in other species of marine bioconstructors investigated in this area, but it strongly contrasts with the small differences found in many fish and invertebrates at the same geographic scale. All in one, our results highlight the importance of assessing connectivity in species belonging to coralligenous habitats as, due to their limited dispersal ability, they might require specific spatial conservation measures.
FIGURE 8 in Cnidocysts of Caryophylliidae and Dendrophylliidae (Cnidaria: Scleractinia): Taxonomic Distribution and Phylogenetic Implications
FIGURE 8. Semi-strict consensus (L=14; CI=0.57; RI=0.64; RC=0.36) of the six most parsimonious trees from unconstrained analysis: nematocysts corroborate monophyly of Dendrophylliidae (Bremer support for the clade is 1). Open (Ο) and solid (●) circles indicate states 0 (absent) and 1 (present), respectively.
FIGURE 5 in Cnidocysts of Caryophylliidae and Dendrophylliidae (Cnidaria: Scleractinia): Taxonomic Distribution and Phylogenetic Implications
FIGURE 5. Cnidom of Enallopsammia rostrata (MNRJ 6813). A. spirocyst; B. holotrich I; C. b-rhabdoid (2); D. p-rhabdoid D (1–2); E. holotrich I; F. b-rhabdoid (1); G. b-rhabdoid (2); H. p-rhabdoid D (2); H'. discharged p-rhabdoid D (2); I. p-rhabdoid D (2). Tentacles: A–D. Mesenterial filaments: E–I. Scale bar=10μm.
FIGURE 4 in Cnidocysts of Caryophylliidae and Dendrophylliidae (Cnidaria: Scleractinia): Taxonomic Distribution and Phylogenetic Implications
FIGURE 4. Diversity of size and form of p-rhabdoids D (2) in mesenterial filaments of Dendrophyllia alternata (MNRJ 6827). Scale bar=10μm.
Figure 4 in Ahermatypic corals (Scleractinia: Dendrophylliidae, Oculinidae and Rhizangiidae) recorded from submarine caves in Hong Kong
Figure 4. Cyathelia sp., Culicia sp. and Oulangia sp. A–B, calicular (longer diameter55.1 mm) and colony of Cyathelia axillaris (height535.85 mm); C, calicular of Culicia japonica (longer diameter55.9 mm); D, caliculars of Culicia rubeola (colony size515.3 mm×14 mm) and E, calicular of Oulangia stokesiana (longer diameter59 mm).
Figure 3 in Ahermatypic corals (Scleractinia: Dendrophylliidae, Oculinidae and Rhizangiidae) recorded from submarine caves in Hong Kong
Figure 3. Tubastrea diaphana collected from Conic Island cave being grazed by three individuals of Aeolidiella sp. The white area of the skeleton is the grazed area. One Aeolidiella is on the top of the colony, the second is on the bottom and the third one was dislodged during collection.
Figure 2 in Ahermatypic corals (Scleractinia: Dendrophylliidae, Oculinidae and Rhizangiidae) recorded from submarine caves in Hong Kong
Figure 2. Tubastrea sp. A–B, calicular (longer diameter58.2 mm) and top view of a colony of T. coccinea (length×width598.7 mm×34.6 mm); C–D, calicular (longer diameter56.37 mm) and top view of a colony of T. faulkneri (length×width568.9 mm×21.56 mm); E–J, calicular and side views of colonies of T. diaphana (height of F533 mm, height of G and H518.5 mm, longer calicular diameter and height of I and J59.9 and 21.5 mm, respectively); K–L, calicular (longer diameter59.5 mm) and top view of a colony of T. sibogae (height531.3 mm); M–O, calicular (longer diameter58.3 mm), top and side view of a colony of T. turbinata (height522.7 mm).
Figure 1 in Ahermatypic corals (Scleractinia: Dendrophylliidae, Oculinidae and Rhizangiidae) recorded from submarine caves in Hong Kong
Figure 1. Balanophyllia sp. and Dendrophyllia sp. A–B, calicular (longer diameter56.5 mm) and side view of four solitary corallites of B. eguchii (maximum height59.02 mm); C–D, calicular (longer diameter514.9 mm) and top view of a B. ponderosa colony (height531.3 mm); E–G, calicular (longer diameter57.8 mm) and side views of two colonies of D. arbuscula (colony size of F and G535.1 mm and 40.1 mm, respectively); H–I, top and side views of a small D. arbuscula colony (height518.2); J–L, calicular (longer diameter511.7 mm) and top views of two colonies of D. ehrenbergiana (height of K and L513 mm and 19.8 mm, respectively); M–N, calicular (longer diameter513.4 mm) and side view of a colony of D. coccinea (height527 mm); O–P, calicular (longer diameter58 mm) and side view of colony of D. compressa (height533.1 mm); Q–R, calicular (longer diameter59.9 mm) and four solitary corallites of D. gracilis (maximum height521.2 mm).
FIGURE 3 in A new species of the sun coral genus Tubastraea (Scleractinia: Dendrophylliidae) from Hong Kong
FIGURE 3. Possible predators of Tubastraea megacorallita sp. nov. A: an individual of Phestilla melanobrachia feeding on T. coccinea; also shown are egg masses (yellow) of the nudibranch; B: an individual of Coralliophila costularis feeding on a colony of T. megacorallita sp. nov.; C: three individuals of Coralliophila costularis feeding on a colony of Tubastraea diaphana. D: an individual of Epidendrium sp. feeding on a colony of T. coccinea.
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