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