Pinhead pearlfish (Carapus boraborensis) fish species and information / pictures of Pinhead pearlfish - Carapus boraborensis

Pinhead pearlfish (Carapus boraborensis) fish species information

Scientific Name
Carapus boraborensis

Common Name
Pinhead pearlfish

Biology
Eel-like, moderate to shallow body depth; maxilla free and movable; cardiform teeth present; branchiostegal membranes partly or completely united; swim bladder with thin terminal membrane or bulb; lacking enlarged dentary or premaxillary fangs, dentary diastema, pelvic fins, and swim bladder rocker bone (Ref. 34024). Pectoral fins small, less than 29% head length; body thick, robust and highly pigmented;15-17 precaudal vertebrae (Ref. 34024).

Classification

Classified By

Kaup, 1856

Class

Ray-finned fishes (Actinopterygii)

Order

Cusk eels (Ophidiiformes)

Family

Pearlfishes (Carapidae)

Distribution

Region

Indo-Pacific

Distribution

Indo-Pacific: Mauritius to the Society Islands, north to Taiwan and the Yaeyama Islands; including Mariana and Caroline islands.

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

1 m

Depth To - meters

150 m

Zone

demersal

Environment

Marine; demersal; depth range 1 - 150 m (Ref. 34024)

Trophic Level

3.88 s.e. 0.66 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

30.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5156 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 vulnerability (16 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