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Teleostei (teleosts) > Siluriformes (Catfishes) > Astroblepidae (Naked sucker-mouth catfishes)
Etymology: Astroblepus: Greek, astra = ray + Greek, blepo = to look (Ref. 45335).

Issue
type catalog: Ibarra & Stewart 1987: 12, Ferraris & Vari 1992: 10.

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

Freshwater; demersal. Tropical; 0°S - 1°S

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

South America: Napo River basin.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 7.0 cm SL male/unsexed; (Ref. 37058)

Found only in the perpetually dark regions of cave some 300 meters to 2 kilometers from its mouth. This species is a true cave form, complete with minute eyes and lack of pigments. Hides in holes of rocks. Feeds on mayfly nymphs.

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

Main reference Upload your references | References | Coordinator : Schaefer, Scott | Collaborators

Schaefer, S.A., 2003. Astroblepidae (Naked sucker-mouth catfishes). p. 312-317. 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. 37058)

IUCN Red List Status (Ref. 130435: Version 2024-1)

Near Threatened (NT) ; Date assessed: 07 October 2014

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Fisheries: of no interest

FAO - Publication: search | FishSource |

More information

Trophic ecology
Food items
Diet composition
Food consumption
Food rations
Predators

Ecology
Ecology

Population dynamics
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Recruitment
Abundance

Life cycle
Reproduction
Maturity
Maturity/Gills rel.
Fecundity
Spawning
Spawning aggregations
Eggs
Egg development
Larvae
Larval dynamics

Distribution
Countries
FAO areas
Ecosystems
Occurrences
Introductions
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Anatomy
Gill area
Brain
Otolith

Physiology
Body composition
Nutrients
Oxygen consumption
Swimming type
Swimming speed
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)

Genetics
Genetics
Heterozygosity
Heritability

Human related
Aquaculture systems
Aquaculture profiles
Strains
Ciguatera cases
Stamps, coins, misc.

Outreach
Collaborators

Taxonomy
Common names
Synonyms
Morphology
Morphometrics
Pictures

References
References

Tools

Special reports

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Summary page | Point data | Common names | Photos

Internet sources

Estimates based on models

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

Bayesian length-weight: a=0.01622 (0.00799 - 0.03294), b=2.93 (2.75 - 3.11), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.2 ±0.40 se; based on food items.

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Astroblepus pholeter Collette, 1962