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FIGURE 9 in A new cave-dwelling hadzioid amphipod (Senticaudata, Hadzioidea, Melitidae) from sulFIdic groundwaters in Iran

FIGURE 9 Tegano tashanensis sp. nov., male: (A) Uropod I, (B) Uropod II, (C) Uropod III male, (D) Uropod III female, (E) Uropod III detail on exopodite tip, (F) Telson (male), (G) Telson (female).

FIGURE 6 in A new cave-dwelling hadzioid amphipod (Senticaudata, Hadzioidea, Melitidae) from sulFIdic groundwaters in Iran

FIGURE 6 Tegano tashanensis sp. nov. male: (A) Antennae I and II, (B) aesthetascs on antenna I articles, (C) accessory flagellum of holotype male antenna I, (D) other image of accessory flagellum of female and paratype male antenna I, (E) maxilla I, (F) maxilla II, (G) labrum, (H) labium (note absence of the inner lobes), (I) female left mandible, (J) male left mandible, (K) male right mandible. Note the absolute absence of the palp in both mandibles.

opencc-by-4.0Mar 2024View details →

FIGURE 1 Paleogeographic and geological setting. A in New Miocene fossil taxa illuminate the evolution and paleobiogeography of the Ponto-Caspian gammaroid amphipod radiation

FIGURE 1 Paleogeographic and geological setting. A) Map of the Ponto-Caspian region. The area marked with transparent white indicates the maximum extent of the Paratethys 11 Ma ago (Palcu et al., 2021). The green dot represents the newly discovered fossil amphipod sites from Romania, while the black dots indicate previously known fossiliferous locations from the Caucasus (Azerbaijan and Russia). B) Close-up map of Iași City, Romania, (https://www.openstreetmap.org /#map=12/47.1449/27.6062) showing the location of the study sites (Site 1 – construction site in Iași City; Site 2 – Vlădiceni quarry). C) Upper part shows a chronostratigraphic chart of the Eastern Paratethys and its correlation to the Global Time Scale (Raffi et al., 2020). The stratigraphic age of the sites from this study are indicated with green, while the previously known sites from the Caucasus are indicated with black. The lower part is a geological cross section of the focal area indicating the lithostratigraphic context and altitude (modified after Ionesi et al. 2005). Sampling sites are indicated with green dots. D) Photographs of the two study sites from the current study. PHOTO BY IONESI V.

FIGURE 4 in A new cave-dwelling hadzioid amphipod (Senticaudata, Hadzioidea, Melitidae) from sulFIdic groundwaters in Iran

FIGURE 4 Photographs of Tegano tashanensis sp. FIGURE 5 Tegano tashanensis sp. nov.: (A) holotype, nov.: male (A) and female (B) living in male (4.7 mm), habitus, lateral view; Chah Kabootari Cave, Iran. (B Downloaded) epimeralfrom Brill plates.com I-III.06/21/2024 06:09:11PM 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 3 in A new cave-dwelling hadzioid amphipod (Senticaudata, Hadzioidea, Melitidae) from sulFIdic groundwaters in Iran

FIGURE 3 Phylogeny of the melitid amphipods including the new species of Tegano tashanensis sp. nov. from Chah Kabootari Cave. The topology derives from the Bayesian inference analysis on the concatenated matrix. Node support presents posterior probabilities obtained by Bayesian analysis in MrBayes (in black), and bootstrap support values (in blue) obtained by ML analysis in IQ-Tree.

FIGURE 2 in A new cave-dwelling hadzioid amphipod (Senticaudata, Hadzioidea, Melitidae) from sulFIdic groundwaters in Iran

FIGURE 2 Chah-Kabootari Cave, part of Tashan-Chah Kabootari aquifer, habitat of Tegano tashanensis sp. nov. (A) and (B): ponds at the first part and end of the cave respectively, where the specimens were collected.

FIGURE 1 in A new cave-dwelling hadzioid amphipod (Senticaudata, Hadzioidea, Melitidae) from sulFIdic groundwaters in Iran

FIGURE 1 Distribution map of the family Melitidae in Iran, (1) (green circle): ChahKabootari Cave, habitat of Tegano tashanensis sp. nov.; (2) (red circle): Qeshm Island, type locality of Melita persia Momtazi, Sari & Maghsoudlou, 2014; (3) (purple circle) Anzali Port, type locality of M. mirzajani Krapp-Schickel & Sket, 2015. Distribution of the genus Melita in Iran derived from Momtazi et al. (2014) and Krapp-Schickel and Sket (2015). Downloaded from Brill.com 06/21/2024 06:09:11PM 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/

Fig. 5 in Effects Of The Environmental Variables On The Alien Amphipod Pontogammarus Robustoides In The Daugava River And Its Reservoirs

Fig. 5. Ordination diagramm of RDA between data of the individual size groups of P. robustoides and environmental variables identified as significant (p<0.05) by Monte Carlo permutation test for study area. PR, P – Pļaviņas Reservoir, Pikstere, PR, VB - Pļaviņas Reservoir, Vārpu backwater, PR, GB - Pļaviņas Reservoir, Gobena backwater, PR, US - Pļaviņas Reservoir, upper stretch, DK – Daugava River, Klidziņa, KR, N – Ķegums Reservoir, Ņega, KR, G – Ķegums Reservoir, Graužupīte, RR, T – Riga Reservoir, Tome, RR, O - Riga Reservoir, Ogre, DR – Daugava River, Riga; ORP – oxred potential

Fig. 3 in Effects Of The Environmental Variables On The Alien Amphipod Pontogammarus Robustoides In The Daugava River And Its Reservoirs

Fig. 3. Seasonal changes of the physico-chemical parameters and relative water level in the Pļaviņas Reservoir.

Fig. 2 in Effects Of The Environmental Variables On The Alien Amphipod Pontogammarus Robustoides In The Daugava River And Its Reservoirs

Fig. 2. Seasonal changes of the water level in the Daugava River (the hydrological station at Jēkabpils) and the Pļaviņas Reservoir (the hydrological station at Pļaviņas).

Fig. 2 in Protocol Optimization For Genomic Dna Extraction And Rapd-Pcr Of Alien Ponto-Caspian Amphipod Pontogammarus Robustoides

Fig. 2. RAPD fingerprints results from different samples of Pontogammarus robustoides with primers OPA-02 (1-12 runners- different samples of Pontogammarus robustoides; K- control) using RAPD-PCR 10 × Taq buffer with KCl.

opencc-by-4.0Dec 2022View details →

Fig. 1 in Influence of environmental factors and sessile biota on vagile epibionts: The case of amphipods in marinas across a regional scale Abstract

Fig. 1: Composition (percentage of total abundance) of amphipod assemblages occurred on pontoons of each marina (CHI = Chipiona, AME = Puerto. América, BAR = Barbate, LIN= La Línea, FUE = Fuengirola, ALM = Almería. Numbers represents the three pontoons). Exotic species are represented by red textures.

opencc-by-4.0Dec 2022View details →

Fig. 6 in Influence of environmental factors and sessile biota on vagile epibionts: The case of amphipods in marinas across a regional scale Abstract

Fig. 6: RDA graphic showing the similarity between the amphipod community present in each marina and its relationship with the physical-chemical parameters (CHI = Chipiona, AME = Puerto. América, BAR = Barbate, LIN= La Línea, FUE = Fuengirola, ALM = Almería; Green = Atlantic; Orange = Mediterranean)..

Fig. 4 in Variations in infection levels and parasite-induced mortality among sympatric cryptic lineages of native amphipods and a congeneric invasive species: Are native hosts always losing?

Fig. 4. Parasite abundance as a function of amphipod body size (used as a proxy for age) in each of the 8 amphipod MOTUs. The polynomial effect of body size on parasite abundance is modeled with a general mixed effect linear model with a Poisson distribution and a log link function. The y axis is in log scale for representation purposes. Body size is rescaled to initial values in the graph for representation purposes. Predicted curves are represented in plain black lines with their standard errors in dotted lines.

Fig. 2 in Variations in infection levels and parasite-induced mortality among sympatric cryptic lineages of native amphipods and a congeneric invasive species: Are native hosts always losing?

Fig. 2. Mean parasite prevalences (proportion of infected individuals in %) among amphipod populations/sampling sites and their bootstrapped 95% confidence intervals in the different MOTUs sampled and for the three acanthocephalan species, separately and overall (all three parasites grouped). Overall prevalences in MOTUs assigned different letters are significantly different at the 0.05 level.

Fig. 1 in Variations in infection levels and parasite-induced mortality among sympatric cryptic lineages of native amphipods and a congeneric invasive species: Are native hosts always losing?

Fig. 1. Genetic divergence levels (%) among MOTUs of the G. fossarum/G. pulex species complex found in our sampling sites/rivers. Gammarus roeseli was identified morphologically rather than genetically.

Fig. 3 in Variations in infection levels and parasite-induced mortality among sympatric cryptic lineages of native amphipods and a congeneric invasive species: Are native hosts always losing?

Fig. 3. Mean parasite abundances (mean number of acanthocephalan larvae per individual host) among amphipod populations/sampling sites and their bootstrapped 95% confidence intervals in the different MOTUs sampled and for the three acanthocephalan species, separately and overall (all three parasites grouped). Overall abundances in MOTUs assigned different letters are significantly different at the 0.05 level.

opencc-by-4.0Aug 2024View details →

Fig. 12. A in Amphipod (Crustacea: Malacostraca) fauna of the continental shelf region in the Southern Sea of Korea

Fig. 12. A, Caprella decipiens; B, Caprella iniquilibra, male; C, Caprella iniquilibra, female; D, Caprella verrucosa; E, Protogeton incertus; F, Pseudoproto fallax; G, Cyproidea liodactyla; H, Themisto sp.

opencc-by-4.0Aug 2024View details →

Fig. 7. Caprella iniquilibra Mayer, 1903, adult male. A in Amphipod (Crustacea: Malacostraca) fauna of the continental shelf region in the Southern Sea of Korea

Fig. 7. Caprella iniquilibra Mayer, 1903, adult male. A, habitus; B, antenna 1; C, antenna 2; D, gnathopod 1; E, gnathopod 2. Scale bars: A = 1.0 mm; B, E = 0.2 mm; C = 0.4 mm; D = 0.1 mm.