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Fig. 1 | BMC Ecology and Evolution

Fig. 1

From: The diversity of opsins in Lake Baikal amphipods (Amphipoda: Gammaridae)

Fig. 1

The diversity of visual opsins in selected representatives of Eumalacostraca and examples of Lake Baikal amphipods. a Visual opsin diversity in selected malacostracan species: Hemisquilla californiensis and Pseudosquilla ciliata (Stomatopoda) [10]; Euphausia superba (Euphausiaceae) [23]; Janicella spinicauda, Systellaspis debilis, Cambarus tenebrosus, Procambarus fallax, and Orconectes incomptus (Decapoda) [11, 12, 24]; Hyalella azteca, Parhyale hawaiensis, Niphargus hrabei, and Gammarus minus (Amphipoda) [14, 16, 25, 26]. In the case of Janicella spinicauda, both photophore and eye opsins were counted. bg Examples of Lake Baikal amphipods and their ecological characteristics [27]. b Eulimnogammarus maackii (Gersfteldt, 1858), a benthic species mostly found at depths of 0–40 m. c Another benthic species, E. cyaneus (Dybowsky, 1874), mostly concentrating close to the shoreline. d The only pelagic species Macrohectopus branickii (Dybowsky, 1874). e Another littoral benthic species Gmelinoides fasciatus (Stebbing, 1899), a unique species which originated in Baikal but was successfully introduced into multiple water bodies in Siberia and European Russia [28]. f Brandtia latissima latior (Dybowsky, 1874) mostly found at depths from 0.5 to 50 m. g A deep-water eurybathic scavenger Ommatogammarus albinus (Dybowsky, 1874) mainly found below 200 m. Note the presence of large pigmented eyes in the deep-water species

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