Tadpole whiptail (Squalogadus modificatus) fish species and information / pictures of Tadpole whiptail - Squalogadus modificatus

Tadpole whiptail (Squalogadus modificatus) fish species information

Scientific Name
Squalogadus modificatus

Common Name
Tadpole whiptail

Biology
Dark brown, becoming blackish on the gular and branchiostegal membranes. Inside of mouth and gill cover black. Head fully scaled, mandibular band is narrow (Ref. 37108). Orbit tiny, about 10% of head length, placed forward of small, inferior mouth. Chin barbel absent. First gill slit not restricted by membranous folds of skin, outer gill rakers long, slender. Branchiostegal rays 7. Anus immediately before anal fin. Tail straplike. Anal fin long, poorly developed. No light organ. Swimbladder regressed. (Ref 1371)

Classification

Classified By

Gilbert & Hubbs, 1916

Class

Ray-finned fishes (Actinopterygii)

Order

Cods (Gadiformes)

Family

Grenadiers or rattails (Macrouridae)

Distribution

Region

Atlantic and Pacific

Distribution

Atlantic and Pacific: Eastern Atlantic: off Gabon. Western Atlantic: Gulf of Mexico. Western Pacific: off Japan; New Zealand (Ref. 5755). Southeast Pacific: Nazca and Sala-y-Gomez.

Range

Unknown

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

600 m

Depth To - meters

1740 m

Zone

bathyalpelagic

Environment

Marine; bathypelagic; depth range 600 - 1740 m (Ref. 75154)

Trophic Level

3.51 s.e. 0.46 Based on size and trophs of closest relatives

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

35.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 1.0000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Moderate vulnerability (41 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