Grey's deepsea smelt (Bathylagichthys greyae) fish species and information / pictures of Grey's deepsea smelt - Bathylagichthys greyae

Grey's deepsea smelt (Bathylagichthys greyae) fish species information

Scientific Name
Bathylagichthys greyae

Common Name
Grey's deepsea smelt

Biology
Dorsal soft rays (total): 13-14; Anal soft rays: 11 - 12; Vertebrae: 44. Pale, straw-colored ground color. Opercle and snout dusky. Dark pigment distributed on margins of scale pockets (Ref. 37473). Slender body, smoothly narrowed toward the end of caudal peduncle. Maximum depth at the level of the pectoral fin base for 39-69 mm specimens and immediately before the dorsal fin origin for larger ones. Pectoral fins short, not reaching origin of dorsal fin. Operculum without radial grooves. No gill rakers at the inner surface of epibranchial of first gill arch. Swim bladder absent (Ref. 33679).

Classification

Classified By

Cohen, 1958

Class

Ray-finned fishes (Actinopterygii)

Order

Smelts (Osmeriformes)

Family

Deep-sea smelts (Bathylagidae)

Distribution

Region

Eastern Atlantic

Distribution

Eastern Atlantic: Spain to Western Sahara. Western Atlantic: Bermuda. Northwest Atlantic: Canada (Ref. 5951). Southwest Pacific: New Zealand (Ref. 5755).

Range

32°N - 48°S

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

25 m

Depth To - meters

1000 m

Zone

bathyalpelagic

Environment

Marine; bathypelagic; depth range 25 - 1000 m (Ref. 33679)

Trophic Level

3.4 s.e. 0.45 Based on food items.

Occurs in Marine / Salt water

True

Occurs in Brackish water

False

Occurs in Fresh Water

False

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

16.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5312 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Moderate vulnerability (43 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated