Spotfin croaker (Roncador stearnsii) fish species and information / pictures of Spotfin croaker - Roncador stearnsii

Spotfin croaker (Roncador stearnsii) fish species information

Scientific Name
Roncador stearnsii

Common Name
Spotfin croaker

Biology
Occur in sandy shores and bays, mostly in shallow surf zones, but also to 15 m depth. Often found near rocks and entrances to bays. Usually form small groups, but aggregate for spawning. Pelagic spawners (Ref. 56049). Feed on invertebrates, such as marine worms, clams, crabs and small crustaceans.

Classification

Classified By
Steindachner, 1876
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Drums or croakers (Sciaenidae)

Distribution

Region
Eastern Pacific
Distribution
Eastern Pacific: Point Conception in California, USA to southern Baja California, Mexico.
Range
34°N - 22°N

Environment

Climate
Subtropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
Unknown m
Depth To - meters
Unknown m
Zone
demersal
Environment
Marine; demersal
Trophic Level
3.31 s.e. 0.44 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
70.0 cm
Common Length
30.0 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
Gamefish: yes
Vulnerability
Moderate vulnerability (39 of 100)
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (tm=2.5; tmax=15)
Threat To Humans
  Harmless
IUCN Red List Status
  Least Concern (LC)