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Pseudoscopelus australis Prokofiev & Kukuev, 2006 |
| Family: | Chiasmodontidae (Snaketooth fishes) | |||
| Max. size: | 17 cm SL (male/unsexed) | |||
| Environment: | bathydemersal; marine; depth range 250 - 1250 m | |||
| Distribution: | Southern Oceans. Subtropical and temperate waters of the southern parts of the Atlantic and Indian Oceans, Southwestern and Southeastern Pacific. High Seas only. | |||
| Diagnosis: | Dorsal spines (total): 7-10; Dorsal soft rays (total): 23-26; Anal soft rays: 23-26. This species is characterized by the following: dark orobranchial cavity; inclined teeth in the marginal row on the premaxillary are increased in size in the postorbital portion of the bone; presence of teeth on tongue; minute gill rakers usually absent on first gill arch; reduced maxillary (suborbital) photophores disconnected with anteropreopercular photophores; no posteropreopercular photophores and transverse ventral (interventral) photophores; thin cranial roofing bones; short upper jaw, 60.0-71.4% head length (HL), usually less than 66% HL (75% of specimens; mean 65.6%); short pectoral fins, 12.5-21.4% SL, usually less than 16% (88% of specimens; mean 14.9%); group of 4 pores above the second nare; modally 36 vertebrae (Ref. 78617). | |||
| Biology: | ||||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 12 October 2018 Ref. (130435) | |||
| Threat to humans: | ||||
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