Imperial scaldfish (Arnoglossus imperialis) fish species and information / pictures of Imperial scaldfish - Arnoglossus imperialis

Imperial scaldfish (Arnoglossus imperialis) fish species information

Scientific Name
Arnoglossus imperialis

Common Name
Imperial scaldfish

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 95-106; Anal soft rays: 74 - 82. Eyes separated by a bony ridge, the lower eye a little in advance of the upper. In males, the second to sixth and in females, the second to fifth dorsal fin rays thickened and prolonged. Males with distinct black spot on posterior part of pelvic fins; in females, this spot present but greyish and often indistinct.

Classification

Classified By

Rafinesque, 1810

Class

Ray-finned fishes (Actinopterygii)

Order

Flatfishes (Pleuronectiformes)

Family

Lefteye flounders (Bothidae)

Distribution

Region

Eastern Atlantic

Distribution

Eastern Atlantic: Scotland to Namibia (Ref. 27121), including the western Mediterranean.

Range

58°N - 29°S, 19°W - 16°E

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

20 m

Depth To - meters

350 m

Zone

demersal

Environment

Marine; demersal; depth range 20 - 350 m (Ref. 26999), usually 40 - 200 m (Ref. 36731)

Trophic Level

3.84 s.e. 0.60 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

25.0 cm

Common Length

12.0 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: commercial

Vulnerability

Low to moderate vulnerability (34 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

Least Concern (LC)