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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Chetia: Moçambique local name; brevicauda: The species name describes the low number of caudal vertebrae and the short caudal peduncle (Ref. 52267).
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水 底生の漂泳性. Tropical
Africa: Lecitu River, Buzi system, in Mozambique (Ref. 52267, 52307).
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 12.5 cm SL オス/雌雄の選別がない; (Ref. 52267)
簡単な記述
検索表 | 形態学 | 形態計測学
背面の脊椎 (合計) : 14 - 15; 背鰭 (合計) : 11 - 13; 肛門の骨: 3; 臀鰭: 9 - 10; 脊つい: 29. Diagnosis: compressed and deep body with greatest body depth at origin of pelvic fins; head large, 39.4-41.0% SL; premaxillary pedicel of upper jaw slightly longer than dentigerous arm of premaxilla; sloping at an angle of 77° from horizon; dental arcade with 2 rows of closely set unicuspid teeth, 53 in outer row, 40 in inner; lower jaw relatively long with rounded dental arcade, and 2 rows of erect, slightly recurved and irregularly spaced unicuspid teeth, 37 in outer row, a few teeth in inner; 26-27 total dorsal fin rays; 12-13 total anal fin rays; pectoral fin relatively long, 25.0-28.4% SL, just reaching origin of anal fin; caudal peduncle short and deep; cycloid scales with a few weakly ctenoid scales on lower flanks; 20-22 upper and 10-12 lower lateral line scales; 6-7 scales between pelvic and pectoral fin bases; 5-7 scales between lateral line and origin of dorsal fin; 4-5 cheeck scale rows; 15 abdominal vertebrae; 14 caudal vertebrae (Ref. 52267).
Found in quiet backwater (Ref. 52267).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Bills, I.R. and O.L.F. Weyl, 2002. A new species of the genus Chetia (Teleostei: Cichlidae) from the Lecitu River, Buzi System, Mozambique. Smithiana Spec. Publ. 1:1-11. (Ref. 52267)
IUCNのレッドリストの状況は (Ref. 130435: Version 2024-2)
Human uses
用具
特記事項
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インターネットの情報源
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01445 (0.00674 - 0.03099), b=2.99 (2.82 - 3.16), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 3.8 ±0.6 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 手段, １．４年～４．４年の倍増期間の最小個体群 (Assuming Fec<1000).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
