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> Percopsiformes (Trout-perches, pirate perches and cavefishes) > Amblyopsidae (Cavefishes)
Etymology: Typhlichthys: Greek, typhlops = blind + Greek, ichthys = fish (Ref. 45335); subterraneus: subterraneus meaning beneath the earth (Ref. 10294).
More on author: Girard.

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

; eau douce démersal. Temperate; 39°N - 34°N

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

North America: portions of Alabama, Georgia, Tennessee, Kentucky, Indiana, Missouri and Arkansas, U.S.A.

Taille / Poids / Âge

Maturity: L_m ? range ? - ? cm
Max length : 9.0 cm TL mâle / non sexé; (Ref. 10294); common length : 5.0 cm TL mâle / non sexé; (Ref. 12193); âge max. reporté: 4 années (Ref. 10294)

Description synthétique Clés d'identification | Morphologie | Morphométrie

Rayons mous dorsaux (Total) : 7 - 10; Rayons mous anaux: 7 - 10; Vertèbres: 28 - 29. Pink-white. No eyes (vestigial eye tissues under skin). Large, broad head. Caudal fin with 0-2 rows of papillae (Ref. 5723) and a vertical basal row (Ref. 10294); 10-15 branched caudal rays (Ref. 5723).

Adults inhabit subterranean water (Ref. 5723). Found in caves which are near the water table and are therefore more uniform than other amblyopsid caves (Ref. 34868). Feed mainly on copepods, amphipods and isopods (Ref. 10294). Eggs are carried in gill chambers of females (Ref. 205).

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

Incubates eggs in gill chamber of females (Ref. 205). Fecundity is very low, perhaps fewer that 50 ova per female (Ref. 10294).

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

Page, L.M. and B.M. Burr, 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)

Statut dans la liste rouge de l'IUCN (Ref. 130435)

Quasi-menacé (NT) ; Date assessed: 07 August 2012

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

Harmless

Utilisations par l'homme

Pêcheries: sans intérêt

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 1.0088 [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).

Niveau trophique (Ref. 69278): 3.3 ±0.37 se; based on food items.

Generation time: 2.6 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.

Résilience (Ref. 120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (K=0.43; tm=2; tmax=4).

Fishing Vulnerability (Ref. 59153): Low to moderate vulnerability (28 of 100).

Typhlichthys subterraneus Girard, 1859