Callichthys callichthys (Linnaeus, 1758)

Cascarudo

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Siluriformes \| Callichthyidae \| Callichthyinae
Synonyms	Silurus callichthys, Callichthys affinis, Callichthys arcifer, ... more
Common names	Flat head cascadu, Catfish, Caracha, ... more

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Main reference

Burgess, W.E. 1989. (Ref. 6868)
Other references | Biblio | Coordinator : Reis, Roberto E. | Collaborators

Size / Weight / Age

Max length : 17.0 cm SL male/unsexed; (Ref. 81048); max. published weight: 80.0 g (Ref. 79585)

Environment

Demersal; freshwater; pH range: 5.8 - 8.3; dH range: 0 - 30

Climate / Range

Subtropical; 18°C - 28°C (Ref. 1672)

South America: Most Cis-Andean South American river drainages north of Buenos Aires, Argentina.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal soft rays (total): 68

Found in extreme environments, from anoxic conditions (slack water zones bordered by dense vegetation) (Ref. 35381) to slightly turbid but free flowing streams (Ref. 11225). When its biotope becomes dry, it can move pout of the water, due to its ability to breathe intestinally, in order to find another aquatic environment (Ref. 35381). Feeds at night on fish, insects and plant matter (Ref. 7020). Juveniles feed on rotifers, in addition to the micro-crustaceans and aquatic insect larvae they find when digging into the substrate (Ref. 35381). During reproduction, the male's belly turns orange and its pectoral spines become longer and thicker. The male builds a bubble nest with some floating plants, strongly guarding it after the female lays down her eggs (up to 120) (Ref. 35381). Aquarium keeping: in groups of 5 or more individuals; minimum aquarium size 120 cm (Ref. 51539).


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Harmless

Human uses
Fisheries: minor commercial; aquarium: commercial


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

Tools
Biogeographic modelling \| Bio-Quiz \| E-book \| Field guide \| Length-frequency wizard \| Life-history tool \| LifeMapper \| Point map

Special reports
Check for Aquarium maintenance \| Check for Species Fact Sheets \| Check for Aquaculture Fact Sheets

Download XML
Summary page \| Point data \| Common names \| Photos

Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

Medium, minimum population doubling time 1.4 - 4.4 years (Fec=120)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Low vulnerability (15 of 100)	Not marketed/unknown

Entered by Torres, Armi G.

Modified by Padilla, Jonas

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Page last modified by : elaxamana, 15 July 2009

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