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Hymenocephalus sazonovi Schwarzhans, 2014 |
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photo by
Schwarzhans, W. |
| Family: | Macrouridae (Grenadiers or rattails) | |||
| Max. size: | 13.1 cm TL (male/unsexed) | |||
| Environment: | benthopelagic; marine; depth range 340 - 1100 m | |||
| Distribution: | Eastern Pacific: probably endemic to the Nazca and Sala y Gomez ridges. | |||
| Diagnosis: | Dorsal spines (total): 2-2; Dorsal soft rays (total): 9-10. This species is distinguished by the following characters: body much less slender than typical for the genus, with very thin head bones; pelvic fin rays 12-13; pectoral fin rays 15-16; gill rakers 18-20; no barbel; orbit 21% HL; blunt snout with high frontal ridge, barely protruding, short, 23% HL; ventral striae extending about ? distance from pelvic fin bases to periproct region; infraorbital canal is wider than other canal systems; very small preopercular supporter; otolith compressed (otolith length to height (OL:OH) is 0.8; colliculi separated and small; small pseudocolliculum, total colliculum length to pseudocolliculum length (TCL:PCL) is 1.8 (Ref. 98298). | |||
| Biology: | ||||
| IUCN Red List Status: | Not Evaluated (N.E.) Ref. (130435) | |||
| Threat to humans: | harmless | |||