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Forbesichthys agassizii  (Putnam, 1872)

Spring cavefish
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Image of Forbesichthys agassizii (Spring cavefish)
Forbesichthys agassizii
Picture by Niemiller, M.L.

Classification / Names Noms communs | Synonymes | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinoptérygiens (poissons à nageoires rayonnées) > Percopsiformes (Trout-perches, pirate perches and cavef) > Amblyopsidae (Cavefishes)
Etymology: agassizii: Named after the great naturalist Louis Agassiz (Ref. 10294).

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

; eau douce démersal.   Temperate; 39°N - 35°N

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

North America: portions of Tennessee, Kentucky, Illinois and Missouri, U.S.A.

Taille / Poids / Âge

Maturity: Lm ?  range ? - ? cm
Max length : 9.0 cm TL mâle / non sexé; (Ref. 10294); common length : 5.3 cm TL mâle / non sexé; (Ref. 12193); âge max. reporté: 3 années (Ref. 10294)

Description synthétique Morphologie | Morphométrie

Rayons mous dorsaux (Total): 9-11; Rayons mous anaux: 9 - 11; Vertèbres: 33 - 35. Scales minute and embedded. Pelvic fins absent. Branched caudal fin rays 11-17; branchiostegal rays 6. Triads of sensory papillae occur midlaterally and scattered clusters of neuromasts are present on the head. Coloration uniform dark gray to back with paler venter.

Biologie     Glossaire (ex. epibenthic)

Adults occur in springs and caves (but almost always near surface). They live underground but emerge above ground in springs (Ref. 5723). Active in springs at night and usually retreat underground during the day. The few individuals which venture into the spring portions of their habitat may show strong rheotaxis for half to one-minute periods but usually show strong thigmotaxis and hide under rocks or debris (Ref. 34868). Feed at night on amphipods, midge larvae, tiny worms and micro-crustaceans. Fecundity averages about 100 eggs per female (Ref. 10294). Eggs are carried in gill chambers of females (Ref. 205).

Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Incubates eggs in gill chamber of females (Ref. 205).

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

Etnier, D.A. and W.C. Starnes, 1993. The fishes of Tennessee. The University of Tennessee Press, Knoxville, Tennessee, USA. (pls. check date). (Ref. 10294)

Statut dans la liste rouge de l'IUCN (Ref. 115185)

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless




Utilisations par l'homme

FAO(Publication : search) | FishSource |

Plus d'informations

Pays
Zones FAO
Écosystèmes
Occurrences
Introductions
Stocks
Écologie
Régime alimentaire
Éléments du régime alimentaire
Consommation alimentaire
Ration
Noms communs
Synonymes
Métabolisme
Prédateurs
Écotoxicologie
Reproduction
Maturité
Frai
Fécondité
Œufs
Développement de l'œuf
Taille/Âge
Croissance
Longueur-poids
Longueur-longueur
Fréquences de longueurs
Morphométrie
Morphologie
Larves
Dynamique des populations larvaires
Recrutement
Abondance
Références
Aquaculture
Profil d'aquaculture
Souches
Génétique
Fréquences alléliques
Héritabilité
Pathologies
Traitement
Mass conversion
Collaborateurs
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Stamps, Coins Misc.
Sons
Ciguatera
Vitesse
Type de nage
Surface branchiale
Otolithes
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Sources Internet

Alien/Invasive Species database | Aquatic Commons | BHL | Cloffa | Websites from users | FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(génôme, nucléotide) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | SeaLifeBase | Arbre de Vie | Wikipedia(aller à, chercher) | World Records Freshwater Fishing | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  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   ±0.44 se; Based on food items.
Résilience (Ref. 69278):  Haut, temps minimum de doublement de population inférieur à 15 mois (K=0.67; tm=1; tmax=3; Fec = 100).
Prior r = 1.09, 2 SD range = 0.47 - 2.48, log(r) = 0.09, SD log(r) = 0.41, Based on: 1 M, 1 K, 1 tgen, 1 tmax, 1 Fec records
Vulnérabilité (Ref. 59153):  Low vulnerability (21 of 100) .