Gymnocypris
Description
Key to the species of genus Gymnocypris
1a. Commencement of ventral fin under the 1–3th branched ray of dorsal fin......................................... 2
1b. Commencement of ventral fin under the 4–6th branched ray of dorsal fin......................................... 6
2a. Outside gill rakers on first gill arch more than 10............................................................. 3
2b. Outside gill rakers on first gill arch fewer than 9..................................................... G. potanini
3a. Mouth terminal or subinferior; lower jaw shorter than upper jaw................................................ 4
3b. Oral fissure oblique, lower jaw equal to or longer than upper jaw..................................... G. scolistomus
4a. Inner side of lower jaw without horny layer................................................................. 5
4b. Inner side of lower jaw with horny layer........................................................ G. chilianensis
5a. Average outside gill rakers on first arch less than 18................................................... G. eckloni
5b. Average outside gill rakers on first arch more than 28............................................... G. przewalskii
6a. Pharyngeal teeth in 2 row............................................................................... 7
6b. Pharyngeal teeth in 1 row...................................................................... G. namensis
7a. Last unbranched dorsal-fin ray strong...................................................................... 8
7b. Last unbranched dorsal-fin ray weak...................................................................... 9
8a. Outside gill rakers on first arch more than 20........................................................... G. chui
8b. Outside gill rakers on first arch fewer than 20................................................... G. scleracanthus
9a. Outside gill rakers on first arch more than 20......................................................... G. dobula
9b. Outside gill rakers on first arch fewer than 20.............................................................. 10
10a. Oral fissure oblique........................................................................... G. waddelliv
10b. Oral fissure almost straight............................................................ G. pengquensis, sp. nov.
Notes
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Linked records
Additional details
Identifiers
Biodiversity
- Family
- Cyprinidae
- Genus
- Gymnocypris
- Kingdom
- Animalia
- Order
- Cypriniformes
- Phylum
- Chordata
- Taxon rank
- genus