Major Group: Crustacea Minor Group: Malacostraca Order: Amphipoda Family: Eusiridae
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Descriptive Features: body laterally compressed or dorsoventrally flattened
antenna peduncular article 2 longer than article 3, article 3 shorter than article 1, primary flagellum 5- or more articulate
antenna 2 less than or more than 5-articulate
mandible incisor dentate, lacinia mobilis present on both sides, molar fully triturating
maxilliped inner plates well developed, outer plates small
gnathopod 1 not sexually dimorphic
gnathopod 2 coxa subequal to but not hidden by coxa 3, ischium short
pereopod 3 carpus shorter than or subequal to propodus, not produced
pereopod 4 coxa subequal to, or larger than coxa 3, carpus shorter than or subequal to propodus, not produced
pereopod 5 shorter than or subequal to pereopod 6, coxa smaller than or subequal to coxa 4
pereopod 6 shorter than or subequal to pereopod 7, basis expanded or slightly expanded
pereopod 7 subequal to or longer than pereopod 5, basis expanded or slightly expanded
urosomites 1-3 free, urosomite 1 longer than urosomite 2
uropod 1 peduncle without basofacial robust seta, uropod 3 biramous, peduncle without medial process
rami lanceolate, outer ramus without recurved spines
telson dorsal robust setae absent
Total length:
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Pseudmoera gabrieli |
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Taxonomic Checklist: Species Pseudomera Paraleptamphopus
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Distribution: Vic
Sensitivity Rating: SIGNAL grade 7
Functional Feeding Group: shredders
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Kiewa River, Vic |
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Ecology: Instream habitat: Pseudomera species are generally algal-dwelling amphipods most common in cool to cold lotic waters. Feeding ecology: Pseudomera feed on algae. Habit: Life history: The life cycle of Pseudomera gabrieli lacks seasonality.
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Information Sources: Lowry & Stoddart 2003, King & Bradbury 2012, Cummins et al. 2005 Key to Genera: King & Bradbury 2012 Key to Species: King & Bradbury 2012
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