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93 results for “Blenniidae”
FIGURE 11. Salariopsis renatorum, FFR 4264 in Two new freshwater blennies from the Eastern Mediterranean basin (Teleostei: Blenniidae)
FIGURE 11. Salariopsis renatorum, FFR 4264, paratypes, 69 mm SL; 41 mm SL; 44 mm SL; Türkiye: Karasu at Günyazı.
Figure 1 in Homing behaviour of rock pool blenny Parablennius parvicornis (Pisces: Blenniidae)
Figure 1. Geographical location and spatial distribution of pools where individual of Parablennius parvicornis were caught (home pools) and displaced.
Data from: Extreme dentition does not prevent diet and tooth diversification within combtooth blennies (Ovalentaria: Blenniidae)
The dentition of fishes can be quite striking and is often correlated with a specific diet. Combtooth blennies have long incisiform oral teeth, unlike most actinopterygians. It has been suggested that the long tooth morphology is an adaptation for detritivory, but given the diversity of diets (detritus, coral polyps, polychaetes, and pieces of other fishes), are blenny teeth indeed monomorphic? Or does tooth variation associated with diet still exist at this extreme? To explore tooth and diet diversification, we used a new phylogenetic hypothesis of Blenniidae, measured tooth shape, number, and mode of attachment, and quantified blenniid diet. The ancestral diet of blennies contained detritus and diversified into many different diets, including almost exclusively detritivory. Our results reveal a dental cline that may be constrained by tooth shape, but has not prevented diet diversification. Ancestral state reconstruction of tooth morphologies suggests that the ancestor of blennies had many unattached teeth and featured transitions to fewer attached teeth, with several transitions back to attached or unattached teeth. The dentition of blenniids is not monotypic; rather it is diverse and small changes in tooth shape are accompanied by changes in size, number, attachment, and often diet.
Diversity and biogeography of Mediterranean freshwater blennies (Blenniidae, Salaria)
<p><strong>Aim</strong>: In the Mediterranean Biodiversity Hotspot freshwater fishes are key biogeographical indicators while their habitats are vulnerable to ongoing anthropogenic pressures. The freshwater blenny is a widespread endemic taxon in this area. However, our understanding of the overall diversity of specific populations and their phylogenetic relationships is sparse. Thus, we aim to investigate the genetic diversity, infer relationships among sampled populations related to major paleoenvironmental changes and suggest insights for future research and conservation targets.</p> <p><strong>Location</strong>: Mediterranean Basin</p> <p><strong>Methods</strong>: We studied 171 Salaria specimens from 51 rivers and lakes, and from 13 countries surrounding the Mediterranean Sea. For assessing the phylogenetic relationships among different locations, we used mtDNA d-loop and Intron S7 sequences. Furthermore, we inferred absolute divergence times as well as demographic changes using secondary calibrations and investigated the diversity within major lineages using haplotype networks as well as several geographical and genetic clustering methods.</p> <p><strong>Results</strong>: We found eight well differentiated lineages, each of which being confined to a particular geographic region. The onset of the freshwater blenny radiation was dated around the Messinian salinity crisis. Further differentiation happened during the Plio- and Pleistocene with signatures of population expansion after the Last Glacial Maximum in some of the main lineages.</p> <p><strong>Main Conclusions</strong>: Due to their unusual widespread distribution, the freshwater blennies represent an excellent model for studying phylogeographic structure across the Mediterranean basin biodiversity hotspot. The extant diversity and distribution of the freshwater Salaria species mirrors </p>
FIGURE 2 in Alloblennius frondiculus, a new species of blenny from the Andaman Islands (Teleostei: Blenniidae: Salariini)
FIGURE 2. Alloblennius frondiculus, holotype. Photograph by G. R. Allen.
FIGURE 2. Hypleurochilus brasil, Preserved holotype CIUFES 1901 in A new species of the genus Hypleurochilus (Teleostei: Blenniidae) from Trindade Island and Martin Vaz Archipelago, Brazil
FIGURE 2. Hypleurochilus brasil, Preserved holotype CIUFES 1901. Photo by R. Macieira.
FIGURE 5 in Review of blenniid fishes from Fernando de Noronha Archipelago, Brazil, with description of a new species of Scartella (Teleostei: Blenniidae)
FIGURE 5. Scartella cristata, rock pool in Abrolhos Area, NE Brazil. (Photo by R. Z. P. Guimarães)
FIGURE 4. Scartella itajobi, n in Review of blenniid fishes from Fernando de Noronha Archipelago, Brazil, with description of a new species of Scartella (Teleostei: Blenniidae)
FIGURE 4. Scartella itajobi, n. sp., rock pool at Atol das Rocas, Brazil. (Photo: Bertran Feitoza)
FIGURE 3 in A new species of the fangblenny Adelotremus from Indonesia, with supplemental description of A. leptus (Teleostei: Blenniidae: Nemophini)
FIGURE 3. Adelotremus deloachi holotype, (right side reversed). Photograph by Mark V. Erdmann.
FIGURE 5. Antennablennius australis, 57.0 in Mitochondrial DNA-based reassessment of Antennablennius Fowler (Blenniidae: Salariini) from the north-western Indian Ocean, with resurrection of A. persicus (Regan)
FIGURE 5. Antennablennius australis, 57.0 mm SL, southern Oman. Photo by J.E. Randall.
FIGURE 21 in Three new species of the fangblenny genus Meiacanthus from Indonesia, with color photographs and comments on other species (Teleostei: Blenniidae: Nemophini)
FIGURE 21. Meiacanthus crinitus, female, Raja Ampat Islands. Photo by G. R. Allen.
FIGURE 18 in Three new species of the fangblenny genus Meiacanthus from Indonesia, with color photographs and comments on other species (Teleostei: Blenniidae: Nemophini)
FIGURE 18. Meiacanthus cf. abditus = n. sp., large female, Flores Island. Photo by R. H. Kuiter.
FIGURE 15 in Three new species of the fangblenny genus Meiacanthus from Indonesia, with color photographs and comments on other species (Teleostei: Blenniidae: Nemophini)
FIGURE 15. Meiacanthus cyanopterus, male, Indonesia, Alor Strait. Photo G. R. Allen.
FIGURE 11 in Three new species of the fangblenny genus Meiacanthus from Indonesia, with color photographs and comments on other species (Teleostei: Blenniidae: Nemophini)
FIGURE 11. Distribution of the Meiacanthus lineatus species group.
FIGURE 8 in Three new species of the fangblenny genus Meiacanthus from Indonesia, with color photographs and comments on other species (Teleostei: Blenniidae: Nemophini)
FIGURE 8. Meiacanthus geminatus, Sabah, Malaysia. Photo by R. C. Steene.
FIGURE 6 in Three new species of the fangblenny genus Meiacanthus from Indonesia, with color photographs and comments on other species (Teleostei: Blenniidae: Nemophini)
FIGURE 6. Meiacanthus vicinus, Indonesia, Banggai Is. Photo by G. R. Allen.
FIGURE 5 in Three new species of the fangblenny genus Meiacanthus from Indonesia, with color photographs and comments on other species (Teleostei: Blenniidae: Nemophini)
FIGURE 5. Meiacanthus abruptus, Bali. Photo by G. R. Allen.
FIGURE 10 in Three new species of the fangblenny genus Meiacanthus from Indonesia, with color photographs and comments on other species (Teleostei: Blenniidae: Nemophini)
FIGURE 10. Meiacanthus vittatus, Madang, Papua New Guinea. Photo by G. R. Allen.
FIGURE 9 in Three new species of the fangblenny genus Meiacanthus from Indonesia, with color photographs and comments on other species (Teleostei: Blenniidae: Nemophini)
FIGURE 9. Meiacanthus luteus, Keppel Island, Queensland, Australia, female. Photo by R. H. Kuiter.
FIGURE 1 in Three new species of the fangblenny genus Meiacanthus from Indonesia, with color photographs and comments on other species (Teleostei: Blenniidae: Nemophini)
FIGURE 1. Distribution of the Meiacanthus geminatus species group.
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