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Amphichthys cryptocentrus (Valenciennes, 1837)

Bocon toadfish
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Native range | All suitable habitat | Point map | Year 2050
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Amphichthys cryptocentrus   AquaMaps   Data sources: GBIF OBIS
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Image of Amphichthys cryptocentrus (Bocon toadfish)
Amphichthys cryptocentrus
Picture by Nunes, J.L.S.


Brazil country information

Common names: Pacamão, Pacamon
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Reported from the states of Ceará and Bahia and from Manuel Luiz Reefs (Ref. 57756). Also Ref. 5217, 13442.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/br.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Floeter, S.R., J.L. Gasparini, L.A. Rocha, C.E.L. Ferreira, C.A. Rangel and B.M. Feitoza, 2003
National Database:

Common names from other countries

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Batrachoidiformes (Toadfishes) > Batrachoididae (Toadfishes) > Batrachoidinae
Etymology: Amphichthys: Greek, amphi = on both sides + Greek, (Ref. 45335).
  More on author: Valenciennes.

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

Marine; reef-associated; depth range 0 - 70 m (Ref. 13608).   Tropical; 12°N - 13°S, 82°W - 34°W

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Western Atlantic: Panama to Brazil.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 40.0 cm TL male/unsexed; (Ref. 5217); common length : 25.0 cm TL male/unsexed; (Ref. 5217); max. published weight: 1.2 kg (Ref. 5217)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 3; Dorsal soft rays (total): 29; Anal spines: 0; Anal soft rays: 23 - 25; Vertebrae: 36 - 38. Head depressed, trunk compressed; molariform teeth on both jaws; no venomous gland on any spine; body brownish dorsally with black diffuse mottlings, pale ventrally; lateral line pores distinct with white spots; fin membranes black distally (Ref. 13608).

Biology     Glossary (e.g. epibenthic)

Inhabits littoral (subtidal) waters; usually found on sandy or rock bottom; large fish may be found in waters less than 1 m of depth hiding in crevices or caves (Ref. 3273). Feeds mostly on molluscs and crustaceans. Reported to be moderately abundant and regularly consumed by fishermen (Ref. 50841). Eggs are deposited on the shells of mollusks and on stones. One of the very few marine fishes that guards fry and juveniles. It is caught in traps and special types of hooks (garrapinos) (Ref. 50841). Marketed fresh.

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

One of the few marine fishes that provide posthatching care. Males actively guard free-swimming juveniles in burrows (Ref. 13442, 101618). Males may mate more than once a year (Ref. 101618).

Main reference Upload your references | References | Coordinator : Collette, Bruce B. | Collaborators

Collette, B.B., 1978. Batrachoididae. In W. Fischer (ed.) FAO species identification sheets for fishery purposes. West Atlantic (Fishing Area 31), Volume 1. FAO, Rome. (Ref. 3273)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 26 January 2009

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: minor commercial
FAO(Publication : search) | FishSource | Sea Around Us

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Estimates based on models

Preferred temperature (Ref. 115969): 26.9 - 28, mean 27.5 (based on 130 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.7500   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.8   ±0.0 se; based on diet studies.
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 (30 of 100).
Price category (Ref. 80766):   Unknown.