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Siluriformes (Catfishes) >
Callichthyidae (Callichthyid armored catfishes) > Callichthyinae
Etymology: Callichthys: Greek, kalos, kallos = beautiful + Greek, ichthys = fish (Ref. 45335).
More on author: Linnaeus.
Taxonomic Remarks
See Reis (1997) for phylogeny.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
; eau douce démersal; pH range: 5.8 - 8.3; dH range: 0 - 30; non migrateur (Ref. 126106). Subtropical; 18°C - 28°C (Ref. 1672)
South America: Most Cis-Andean South American river drainages north of Buenos Aires, Argentina.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 21.0 cm TL mâle / non sexé; (Ref. 125882); poids max. publié: 140.00 g (Ref. 125882)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Rayons mous dorsaux (Total) : 6 - 8.
Body shape (shape guide): elongated.
Obligate air-breathing (Ref. 126274); 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 the biotope becomes dry, individuals can move out of the water, due to their ability to breathe intestinally, in order to find another aquatic environment (Ref. 35381). Adults feed 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).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Builds a nest of air bubbles coated with saliva on the underside of a large leaf. Eggs are attached to the nest and are guarded by the male. Eggs hatch in 4 to 6 days.
Burgess, W.E., 1989. An atlas of freshwater and marine catfishes. A preliminary survey of the Siluriformes. T.F.H. Publications, Inc., Neptune City, New Jersey (USA). 784 p. (Ref. 6868)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: intérêt commercial mineur; Aquarium: Commercial
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 82804) |
PD50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01318 (0.00767 - 0.02266), b=3.10 (2.94 - 3.26), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Niveau trophique (Réf. 69278) |
3.3 ±0.0 se; based on diet studies. |
Résilience (Réf. 120179) |
Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Fec=120). |
Vulnérabilité de la pêche (Ref. 59153) |
Low vulnerability (15 of 100). 🛈 |
Catégorie de prix (Ref. 80766) |
Unknown.
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