Purplemouth grunt (Pomadasys bayanus)

Scientific name: Pomadasys bayanus Jordan & Evermann, 1898

Purplemouth grunt (Pomadasys bayanus)

The Purplemouth grunt (Pomadasys bayanus) is a freshwater fish of the family Haemulidae. In the aquarium it needs water at 21–30°C (70–86°F). Native range: Central and South America, Pacific drainages from Baja California, Mexico to Peru.

Purplemouth grunt care at a glance

Temperature
21–30°C (70–86°F)

Biology

Body oblong, somewhat compressed, and not deep (depth contained 3.1 to 3.8 times in standard length); mouth large, terminal, and almost horizontal, its posterior edge located at the same level as the anterior rim of the eye; first gill arch with 7 to 9 gill rakers; dorsal fin notched, with 12 to 13 spines and 12 soft rays (XII-XIII, 12); pectoral fins short, not reaching distal edge of pelvic fins; second anal spine longer and thicker than third; back olive green; belly silvery; entire body iridescent.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Pomadasys bayanus
Family
Haemulidae (Grunts)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
51.0
Common length
33.0
Environment
Marine; freshwater; brackish; benthopelagic
Climate
Tropical
Distribution
Central and South America: Pacific drainages from Baja California, Mexico to Peru.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Uses
Fisheries: minor commercial; gamefish: yes
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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