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Setting up your tank

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250L community aquarium

Allen's chromis (Chromis alleni) fish species and information / pictures of Allen's chromis - Chromis alleni

Allen's chromis (Chromis alleni) fish species information

Scientific Name
Chromis alleni

Common Name
Allen's chromis

Biology
Dorsal spines (total): 11 - 12; Dorsal soft rays (total): 12-13; Anal spines: 2; Anal soft rays: 12 - 13. Overall color is brown with a prominent black spot on the base of the pectoral fin. Caudal fin and peduncle white.

Classification

Classified By

Randall, Ida & Moyer, 1981

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Damselfishes (Pomacentridae)

Distribution

Region

Northwest Pacific

Distribution

Northwest Pacific: Miyake-jima, Bonin Islands of Japan and south to Taiwan.

Range

Unknown

Environment

Climate

Temperate

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

10 m

Depth To - meters

30 m

Zone

reef-associated

Environment

Marine; reef-associated; non-migratory; depth range 10 - 30 m (Ref. 559)

Trophic Level

3.4 s.e. 0.45 Based on food items.

Occurs in Marine / Salt water

True

Occurs in Brackish water

False

Occurs in Fresh Water

False

Occurs on Reefs

True

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

6.5 cm

Common Length

Unknown 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

Unknown

Vulnerability

Low vulnerability (16 of 100)

Resilience

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

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated