Sharp-snout lefteye flounder (Arnoglossus oxyrhynchus) fish species and information / pictures of Sharp-snout lefteye flounder - Arnoglossus oxyrhynchus

Sharp-snout lefteye flounder (Arnoglossus oxyrhynchus) fish species information

Scientific Name
Arnoglossus oxyrhynchus

Common Name
Sharp-snout lefteye flounder

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 108-113; Anal spines: 0; Anal soft rays: 84 - 89. Similar to A. japonicus, but differs from it by having larger values for meristic characters, ctenoid scales on ocular side, shorter distance between dorsal margin of head and eye about 1/3 of eye diameter, and a dark blotch on pectoral and pelvic fins. The male has an elongated 2nd dorsal ray and a darker blotch on the paired fins.

Classification

Classified By

Amaoka, 1969

Class

Ray-finned fishes (Actinopterygii)

Order

Flatfishes (Pleuronectiformes)

Family

Lefteye flounders (Bothidae)

Distribution

Region

Western Pacific

Distribution

Western Pacific: Japan. Recently reported from the Chesterfield Islands (Ref. 11897). Possibly a synonym of Arnoglossus brunneus.

Range

Unknown

Environment

Climate

Temperate

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

demersal

Environment

Marine; demersal

Trophic Level

3.6 s.e. 0.40 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

22.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: of no interest

Vulnerability

Low to moderate vulnerability (32 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