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Teleostei (teleosts) > Eupercaria/misc (Various families in series Eupercaria) > Haemulidae (Grunts) > Haemulinae
Etymology: Rhonciscus: Diminutive of ρογκοζ (snoring)..
More on author: Cuvier.

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; freshwater; brackish; demersal; amphidromous (Ref. 51243); depth range 0 - 120 m (Ref. 9626). Tropical; 25°C - 28°C (Ref. 36880); 31°N - 34°S, 98°W - 34°W

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Western Atlantic: southern Florida, northeastern Gulf of Mexico, throughout the Caribbean Sea southward to Brazil.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 38.0 cm TL male/unsexed; (Ref. 7251); common length : 25.0 cm TL male/unsexed; (Ref. 3798); max. published weight: 1.9 kg (Ref. 40637)

Inhabits rivers and creeks of low to high current velocity (Ref. 36880). Found along sandy shores and over mud bottoms in shallow water, quite common in brackish mangrove-lined lagoons. Often ascends rivers more than 100 miles from the sea. Feeds on crustaceans and small fishes. Marketed fresh (Ref. 3798).

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae

Oviparous, distinct pairing during breeding (Ref. 205).

Main reference Upload your references | References | Coordinator | Collaborators

Robins, C.R. and G.C. Ray, 1986. A field guide to Atlantic coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 354 p. (Ref. 7251)

IUCN Red List Status (Ref. 130435)

Data deficient (DD) ; Date assessed: 06 December 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Fisheries: minor commercial; aquarium: public aquariums

FAO - Publication: search | FishSource |

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Estimates based on models

Preferred temperature (Ref. 123201): 24.1 - 28, mean 26.8 °C (based on 324 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01318 (0.00632 - 0.02751), b=2.99 (2.82 - 3.16), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 4.0 ±0.67 se; based on food items.

Resilience (Ref. 120179): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low to moderate vulnerability (28 of 100).

Price category (Ref. 80766): Medium.

Rhonciscus crocro (Cuvier, 1830)