Classification / Names
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Siluriformes (Catfishes) >
Bagridae (Bagrid catfishes)
Etymology: Mystus: Greek, mystax = whiskered, used by Belon in 1553 to describe all fishes with whiskers (Ref. 45335); impluviatus: From the Latin impluvium, referring to a skylight, in allusion to the second posterior fontanel on the supraoccipital of this species..
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce démersal. Tropical
Asia: Indonesia.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 12.0 cm SL mâle / non sexé; (Ref. 51149)
Description synthétique
Morphologie | Morphométrie
Rayons mous dorsaux (Total): 6-7; Rayons mous anaux: 11 - 13; Vertèbres: 37 - 39. Differs from both Mystus castaneus and Mystus nigriceps in having a second posterior fontanel on the supraoccipital. It further differs from Mystus castaneus in having a shallower adipose fin (4.7-6.0% SL vs. 6.1-7.0), smaller serrations on the posterior edge of the pectoral spine (maximum height of serrations 3.6-4.8% of spine length vs 6.9-8.0) and a more deeply forked caudal fin with a more slender upper lobe. Further differs from Mystus nigriceps in having a longer adipose fin base (31.6-36.1% SL vs 26.3-31.4), longer second and third dorsal fin rays, causing the dorsal fin to appear less rounded, and a brown body with a distinct darl triangular patch on the base of the caudal peduncle (vs. greenish gray body with a diffuse dark triangular patch on the base of the caudal peduncle).
Facultative air-breathing in the genus (Ref. 126274); Oviparous, distinct pairing possibly like other members of the same family (Ref. 205).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Ng, H.H., 2003. Mystus impluviatus: a new species of bagrid catfish (Teleostei: Bagridae) from Eastern Borneo. Copeia 2003(2):373-378. (Ref. 51149)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Plus d'informations
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00832 (0.00384 - 0.01800), b=2.95 (2.77 - 3.13), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Assuming Fec < 10,000).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).