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Ladder dragonet (Paracallionymus costatus) fish species and information / pictures of Ladder dragonet - Paracallionymus costatus

Ladder dragonet (Paracallionymus costatus) fish species information

Scientific Name
Paracallionymus costatus

Common Name
Ladder dragonet

Biology
Dorsal spines (total): 4; Dorsal soft rays (total): 9-10; Anal spines: 0; Anal soft rays: 9. Live specimens yellow in color; females with black spinous dorsal fin (Ref. 4405).

Classification

Classified By

Boulenger, 1898

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Dragonets (Callionymidae)

Distribution

Region

Southeast Atlantic and Western Indian Ocean

Distribution

Southeast Atlantic and Western Indian Ocean: Luderitz Bay, Namibia to Inhaca, Mozambique.

Range

Unknown

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

55 m

Depth To - meters

400 m

Zone

bathydemersal

Environment

Marine; bathydemersal; depth range 55 - 400 m (Ref. 4405)

Trophic Level

3.03 s.e. 0.18 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

15.0 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

Low vulnerability (22 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (Assuming tmax>3)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated