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Setting up your tank

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Knobbed porgy (Calamus nodosus) fish species and information / pictures of Knobbed porgy - Calamus nodosus

Knobbed porgy (Calamus nodosus) fish species information

Scientific Name
Calamus nodosus

Common Name
Knobbed porgy

Biology
Found over hard bottoms. Sometimes taken in trawls and hook and line; good food fish (Ref. 26938).

Classification

Classified By

Randall & Caldwell, 1966

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Porgies (Sparidae)

Distribution

Region

Western Atlantic

Distribution

Western Atlantic: North Carolina to southern Florida in the USA and the entire Gulf of Mexico.

Range

37°N - 18°N

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

7 m

Depth To - meters

90 m

Zone

reef-associated

Environment

Marine; reef-associated; depth range 7 - 90 m (Ref. 26938)

Trophic Level

3.5 s.e. 0.60 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

54.4 cm

Common Length

35.0 cm

Phylogenetic Diversity Index

PD50 = 0.5001 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: minor commercial

Vulnerability

Moderate to high vulnerability (50 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (K=0.17; tmax=17)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated