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Sternoptyx pseudodiaphana Borodulina, 1977 False oblique hatchetfish |
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photo by
Colombo, G.L.A. |
| Family: | Sternoptychidae (Marine hatchetfishes), subfamily: Sternoptychinae | |||
| Max. size: | 6 cm SL (male/unsexed) | |||
| Environment: | bathypelagic; marine; depth range 0 - 1500 m | |||
| Distribution: | Circumglobal in subtropical and temperate waters of the southern hemisphere. Another (possibly disjunct) population found in the tropical northeast Atlantic. A few specimens from the sub-Antarctic waters of the Pacific Ocean. | |||
| Diagnosis: | Dorsal spines (total): 0-0; Dorsal soft rays (total): 9-13; Anal spines: 0-0; Anal soft rays: 12-13. Adults with pigment streaks on ventral caudal rays (Ref. 4054). | |||
| Biology: | Mesopelagic species (Ref. 75154). Life history stages apparently stratified vertically, depth of occurrence increasing with age. No marked vertical migration (Ref. 5168). Minimum depth from Ref. 58018. | |||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 09 February 2015 Ref. (130435) | |||
| Threat to humans: | harmless | |||