Orbiculate cardinalfish (Sphaeramia orbicularis) fish species and information / pictures of Orbiculate cardinalfish - Sphaeramia orbicularis

Orbiculate cardinalfish (Sphaeramia orbicularis) fish species information

Scientific Name
Sphaeramia orbicularis

Common Name
Orbiculate cardinalfish

Biology
Restricted to coastal waters, forming small aggregations among mangroves, rocks, debris, or piers of shallow sheltered shorelines. Feeds at night (early evening and just before day break), primarily on planktonic crustaceans. Courtship and spawning occur fortnightly (shortly before new moons and full moons). Eggs are incubated by the male for about 8 days. Larval phase pelagic. Sexual maturity is attained at 7 cm by males and at 6 cm by females (Ref. 1602).

Classification

Classified By
Cuvier, 1828
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Cardinalfishes (Apogonidae)

Distribution

Region
Indo-Pacific
Distribution
Indo-Pacific: East Africa to Kiribati, north to the Ryukyu Islands, south to New Caledonia; Belau to eastern Caroline and Mariana Islands in Micronesia.
Range
30°N - 23°S

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
0 m
Depth To - meters
5 m
Zone
reef-associated
Environment
Marine; reef-associated; depth range 0 - 5 m (Ref. 9710)
Trophic Level
3.64 s.e. 0.51 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
10.0 cm
Common Length
8.9 cm
Phylogenetic Diversity Index
PD50 = 0.7500 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Fisheries: minor commercial
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