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Pseudauchenipterus nodosus (Bloch, 1794)
COCOSODA CATFISH
Life   Vertebrata   Fish   Auchenipteridae   Pseudauchenipterus


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Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Pseudauchenipterus nodosus (Bloch , 1794)

Cocosoda catfish Add your observation in Fish Watcher
Native range | All suitable habitat
This map was computer-generated and has not yet been reviewed.
Pseudauchenipterus nodosus   AquaMaps   Data sources: GBIF OBIS
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Pictures | Google image Image of Pseudauchenipterus nodosus (Cocosoda catfish) Pseudauchenipterus nodosus
Picture by Rotundo, M.M.

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

Actinopterygii (ray-finned fishes) > Siluriformes (Catfish) > Auchenipteridae (Driftwood catfishes) > Auchenipterinae
Etymology: Pseudauchenipterus: Greek, pseudes = false + Greek, auchen = neck + Greek, pteron = wing, fin (Ref. 45335 ) .  More on author: Bloch .

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

Freshwater; brackish; demersal; pH range: 6.5 - 8.0; dH range: ? - 30.   Tropical; 20°C - 25°C (Ref. 2060 )

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

South America: Lower reaches of rivers and into estuaries from Venezuela to Brazil, at least to Bahia, including southern Trinidad.

Size / Weight / Age

Maturity: L m   ?   range ? - ? cm
Max length : 22.0 cm SL male/unsexed; (Ref. 37098 ); common length : 25.0 cm TL male/unsexed; (Ref. 3270 )

Short description Morphology | Morphometrics

Dorsal spines (total): 1; Dorsal soft rays (total): 6; Anal spines : 0; Anal soft rays : 20 - 25. Body is thick compared to that of Auchenipterus . Snout is very rounded, with a recessed lower jaw. The moderately large eyes are lateral in position. The zigzag lateral line is complete. The branchiospines are short and numerous. The caudal fin has 17 spines (Ref. 35381 ).

Biology     Glossary (e.g. epibenthic)

Found over muddy bottoms in brackish river mouths. Probably prefers large rivers and slightly brackish waters (Ref. 11225 , 27188 ). Occurs in very thick schools over muddy bottoms. Omnivorous, with a tendency towards detritivorous feeding. Searches for food in the zones of the village waste waters. During reproduction, towards the month of December, the ventral fins and the mandible turn pink. At this time, the weight of the male and female's mature gonads account for 10% and 25%, respectively, of the body weight (Ref. 35381 ). Marketed fresh.

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

Main reference Upload your references | References | Coordinator : Ferraris, Jr., Carl J. | Collaborators

Ferraris, C.J. Jr. , 2003. Auchenipteridae (Driftwood catfishes). p. 470-482. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 37098 )

IUCN Red List Status (Ref. 120744 )

    Not Evaluated  

CITES (Ref. 115941 )

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: minor commercial; bait: usually FAO(Publication : search ) | FishSource |

More information

Countries
FAO areas
Ecosystems
Occurrences
Introductions
Stocks
Ecology
Diet
Food items
Food consumption
Ration
Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
Maturity
Spawning
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Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
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Aquaculture profile
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Ciguatera
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Otoliths
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Vision

Tools

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Special reports

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Download XML

Summary page | Point data | Common names | Photos

Internet sources

Alien/Invasive Species database | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes ( gen. , sp. ) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank( genome , nucleotide ) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Tree of Life | Wikipedia( Go , Search ) | World Records Freshwater Fishing | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805 ):  PD 50 = 0.5625   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.01288 (0.00904 - 0.01835), b=2.88 (2.79 - 2.97), in cm Total Length, based on LWR estimates for this species (Ref. 93245 ). Trophic Level (Ref. 69278 ):  2.0   ±0.00 se; Based on food items. Resilience (Ref. 69278 ):  Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.). Vulnerability (Ref. 59153 ):  Low to moderate vulnerability (32 of 100) . Price category (Ref. 80766 ):   Unknown .

Entered by Luna, Susan M. Modified by Bailly, Nicolas Fish Forum
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