Classification / Names
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Siluriformes (Catfishes) >
Auchenipteridae (Driftwood catfishes) > Centromochlinae
Etymology: Tatia: Because of Mr. C. Tate Regan (Ref. 45335); caxiuanensis: The specific name refers to the Floresta Nacional de Caxiuaña, a preservation area where this species was caught..
Environment: milieu / climate zone / depth range / distribution range
Sinh thái học
; Nước ngọt gần đáy. Tropical
South America: known only from the type locality in Curuá river, lower Amazon basin, Brazil.
Length at first maturity / Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm ?, range 3 - ? cm
Max length : 4.1 cm SL con đực/không giới tính; (Ref. 79512)
Short description
Khóa để định loại | Hình thái học | Sinh trắc học
Các tia vây lưng cứng (tổng cộng) : 1; Các vây lưng mềm (tổng cộng) : 5; Tia mềm vây hậu môn: 10; Động vật có xương sống: 32. Diagnosed from other species of the genus Tatia by the following features: males with distinctive modified anal fin, with elongate rays, with no denticulations on ray segments; cranial fontanel wide, with a single opening; infraorbital 1 with pronounced ventral process, almost reaching the antero-ventral border of eye rim; nasal ossified as tubes, with no medial flanges of bone and not sutured to mesethmoid; five branched pectoral-fin rays; and snout deep,
depth more than 46.7% HL. Can be further distinguished by having caudal fin lobes with about the same length in both adult females and males; post-Weberian vertebrae 32; and a smaller adult size, less than 5.0 cm SL (Ref. 79512).
Attains sexual maturity at 2.93 cm SL (Ref. 79512).
Life cycle and mating behavior
Maturities | Sự tái sinh sản | Spawnings | Egg(s) | Fecundities | Ấu trùng
Sarmento-Soares, L.M. and R.F. Martins-Pinheiro, 2008. A systematic revision of Tatia (Siluriformes: Auchenipteridae: Centromochlinae). Neotrop. Ichthyol. 6(3):495-542. (Ref. 79512)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Các công cụ
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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=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Mức dinh dưỡng (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).