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Hypostomus plecostomus  (Linnaeus, 1758)

Suckermouth catfish
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Hypostomus plecostomus
Picture by Galvis, G./Mojica, J.I./Camargo, M.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Siluriformes (Catfish) > Loricariidae (Armored catfishes) > Hypostominae
Etymology: Hypostomus: Greek, hypo = under + Greek, stoma = mouth (Ref. 45335).

Environment / Climate / Range Ecology

Freshwater; demersal; pH range: 6.2 - 8.2; dH range: ? - 28.   Tropical; 20°C - 28°C (Ref. 2060); 12°N - 25°S, 60°W - 51°W

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

South America: Guianan coastal drainages. Have been introduced to several Asian countries for the aquarium trade (Ref. 2060).

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 50.0 cm SL male/unsexed; (Ref. 26543); common length : 28.0 cm TL male/unsexed; (Ref. 12193)

Short description Morphology | Morphometrics

Dorsal spines (total): 1; Dorsal soft rays (total): 7; Anal spines: 1; Anal soft rays: 3 - 5. Body short and robust; caudal peduncle not depressed. Upper parts of head and body encased in longitudinal rows of scutes; lower surface of head and abdomen naked.

Biology     Glossary (e.g. epibenthic)

Feeds on algae and small crustaceans. Is cultured in ponds in Singapore and Hong Kong for the aquarium trade, where it is very popular (Ref. 2060).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Deposits eggs on smooth rocks. Eggs are guarded by one or both parents. May deposit eggs in depressions (Ref. 2060).

Main reference Upload your references | References | Coordinator : Fisch-Muller, Sonia | Collaborators

Burgess, W.E., 1989. An atlas of freshwater and marine catfishes. A preliminary survey of the Siluriformes. T.F.H. Publications, Inc., Neptune City, New Jersey (USA). 784 p. (Ref. 6868)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: subsistence fisheries; aquarium: highly commercial
FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01514 (0.00660 - 0.03472), b=2.93 (2.75 - 3.11), in cm Total Length, based on LWR estimates for this Genus-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  2.5   ±0.26 se; Based on food items.
Resilience (Ref. 69278):  Medium, minimum population doubling time 1.4 - 4.4 years (Assuming tmax>3; Fec = 3,000).
Vulnerability (Ref. 59153):  Moderate vulnerability (44 of 100) .
Price category (Ref. 80766):   Unknown.