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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Astronotinae
Etymology: Astronotus: Greek, astra = ray + Greek, noton = back (Ref. 45335).
More on author: Heckel.
Environment: milieu / climate zone / depth range / distribution range
Sinh thái học
; Nước ngọt Sống nổi và đáy. Tropical
South America: southern parts of the Amazon (upper Madeira River) and the upper Paraguay basins; introduce elsewhere.
Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm ?  range ? - ? cm
Max length : 24.0 cm SL con đực/không giới tính; (Ref. 36377); common length : 25.0 cm TL con đực/không giới tính; (Ref. 12251)
Các vây lưng mềm (tổng cộng) : 16 - 24; Tia mềm vây hậu môn: 15 - 21. This species is distinguished from its congeners by the following characters: 2 supraneural bones; spinous process (hypurapophysis) on the anterosuperior border of the parahypural bone (hypural complex); sagitta otolith elliptical and smooth-lobed margins, rostrum process short, posterior region of the otolith straight or flat, the aspect ratio of sagitta otoliths AR = 0.585, the roundness index Rd = 0.543; morphometric index 0.735: mean head length 35.01% SL, mean diameter of the orbit 7.73% SL, mean pre-orbital depth 0.14% SL, mean snout length 5.36% SL (Ref. 126783).
Life cycle and mating behavior
Maturities | Sự tái sinh sản | Spawnings | Egg(s) | Fecundities | Ấu trùng
Kullander, S.O., 2003. Cichlidae (Cichlids). p. 605-654. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 36377)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Các nghề cá: buôn bán nhỏ
Các công cụ
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02455 (0.00939 - 0.06419), b=3.00 (2.77 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Mức dinh dưỡng (Ref.
69278): 3.0 ±0.4 se; based on size and trophs of closest relatives
Thích nghi nhanh (Ref.
120179): Trung bình, thời gian nhân đôi của chủng quần tối thiểu là 1.4 - 4.4 năm (Assuming Fec<1000).
Fishing Vulnerability (Ref.
59153): Low vulnerability (19 of 100).