分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cichliformes (Cichlids, convict blennies)
鱸形目 (Cichlids, convict blennies) >
Cichlidae (Cichlids)
慈鯛科魚類 (Cichlids) > Pseudocrenilabrinae
Etymology: Eretmodus: Greek, eretmos, -ou = with oars + Greek, odous = teeth (Ref. 45335).
More on author: Boulenger.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性; pH range: 8.0 - 9.0; dH range: 9 - 19. 熱帶; 24°C - 26°C (Ref. 1672); 3°S - 9°S
Africa: endemic to Lake Tanganyika, occurs in the southern part of the Lake, from Kipili (Tanzania) to Moliro (Democratic Republic of the Congo) (Ref. 46829).
非洲: 坦噶尼喀湖的特有種。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 9.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 5633)
背棘 (總數): 23 - 24; 背的軟條 (總數): 4-5; 臀棘 3; 臀鰭軟條: 6 - 7. Diagnosis: Eretmodus cyanostictus is characterized by a terminal mouth and a number of bright blue spots on the head and upper half of the body (Ref. 92306). About 5 light bars are present on the side of the body but evident only on the lower half of the body and none crossing the posterior en of the body or caudal peduncle (Ref. 92306).
Occurs in rocky areas (Ref. 53528). Adults occur in the turbulent, highly oxygenated shallow waters of the surf zone; found in the shallows of a gradually sloping rocky coast where some sand is found between the rocks; solitary and to some extent, territorial; heavy body and small swim bladder result in negative buoyancy (Ref. 6770). Feeds on algae which are scraped from the rocks (Ref. 6770, 46829). Both parents brood their young in the mouth (Ref. 52921, 86760).
出現於含氧量高的水層接近海岸線而且強烈打擊藉由海浪。 獨居性與在某些程度上, 領域性。 在岩石上吃藻類與附著生物。 (參考文獻 6770)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Eggs from the cleavage phase and larvae of up to 1.09 cm TL are mouthbrooded by male and female parents ranging from 4.7 to 6.2 cm SL (Ref. 86760).非洲: 坦噶尼喀湖的特有種。
Konings, A., 1998. Tanganyika cichlids in their natural habitat. Cichlid Press. 272 p. (Ref. 46829)
人類使用
漁業: ; 水族館: 商業性
更多資訊
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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=0.01905 (0.00827 - 0.04391), b=3.01 (2.82 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 2.1 ±0.1 se; based on diet studies.
回復力 (Ref.
120179): 低的, 最小族群倍增時間4.5 - 14 年 (tm<1 (?); Fec=20-25 (aquarium observation)).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
