Bulldog lightfish (Ichthyococcus irregularis) fish species and information / pictures of Bulldog lightfish - Ichthyococcus irregularis

Bulldog lightfish (Ichthyococcus irregularis) fish species information

Scientific Name
Ichthyococcus irregularis

Common Name
Bulldog lightfish

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 11-13; Anal spines: 0; Anal soft rays: 13 - 15; Vertebrae: 38 - 39. Branchiostegal rays: 12 (Ref. 35839).

Classification

Classified By

Rechnitzer & B?hlke, 1958

Class

Ray-finned fishes (Actinopterygii)

Order

Lightfishes and Dragonfishes (Stomiiformes)

Family

Lightfishes (Phosichthyidae)

Distribution

Region

Eastern Pacific

Distribution

Eastern Pacific: throughout the California Current region, seaward of the continental shelf (Ref. 35839).

Range

45°N - 22°N, 140°W - 109°W

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

2213 m

Depth To - meters

3658 m

Zone

bathyalpelagic

Environment

Marine; bathypelagic; depth range 2213 - 3658 m (Ref. 39669)

Trophic Level

3.4 s.e. 0.39 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

7.6 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5078 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Low vulnerability (10 of 100)

Resilience

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Least Concern (LC)