Scientific Name
Apogon franssedai

Common Name
Frans' cardinalfish

Biology
Dorsal spines (total): 8; Dorsal soft rays (total): 9; Anal spines: 2; Anal soft rays: 8; Vertebrae: 24. This species is distinguished by having D VII-I,9; A II,8; pectoral rays 14; lateral line scales 24; predorsal scales 5; gill rakers 3-4+14-16, excluding 2-3 rudiments on upper limb; preopercular margin serrate; preopercular ridge very weakly serrate around angle; body depth 3.1-3.7 in SL; mainly semi-transparent in life with 2 narrow dark (coppery, Ref. 37816) stripes on upper half of body and relatively large, black spot at the base of the caudal fin (Ref. 11893).

Classification

Classified By

Allen, Kuiter & Randall, 1994

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Cardinalfishes (Apogonidae)

Distribution

Region

Western Indian Ocean

Distribution

Western Indian Ocean: Maldives and the Chagos Archipelago. Western Pacific: Maumere, Flores, Tulamben, Bali (Indonesia), Philippines, and Palau (Ref. 11893).

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

13 m

Depth To - meters

40 m

Zone

reef-associated

Environment

Marine; reef-associated; depth range 13 - 40 m (Ref. 11893)

Trophic Level

3.47 s.e. 0.47 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

True

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

7.5 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 (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

Not Evaluated