Xenotilapia rotundiventralis

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Xenotilapia rotundiventralis (Takahashi, Yanagisawa & Nakaya 1997)

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Xenotilapia rotundiventralis
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drawing shows typical fish in this Family.

分類 / Names 俗名 | 同種異名 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopteri > Cichliformes (Cichlids, convict blennies) 鱸形目 (Cichlids, convict blennies) > Cichlidae (Cichlids) 慈鯛科魚類 (Cichlids) > Pseudocrenilabrinae
Etymology: Xenotilapia: Greek, xenos = strange + Bechuana, African native thiape = fish (Ref. 45335);  rotundiventralis: rotundiventralis is derived from the Latin rotundus for round and ventralis for pelvic, in reference to its rounded distal margin of pelvic fin.

Environment: milieu / climate zone / depth range / distribution range 生態學

; 淡水 居於水底的; 深度上下限 9 - 11 m (Ref. 26454).   熱帶; 24°C - 28°C (Ref. 12468)

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

Africa: endemic to Lake Tanganyika, present in the southern and southeastern part of the lake (Ref. 46829).
非洲: 目前已知只來自 Nkumbula 島,尚比亞。

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 5.3 cm SL 雄魚/尚未辨別雌雄; (Ref. 26454)

生物學特性     字彙 (例如 epibenthic)

Occurs in shallow, intermediate habitats where the bottom is mainly sand with some rocks (Ref. 46829). Forms slow-moving schools (Ref. 26454) of sometimes more than 1.000 individuals (Ref. 26454, 46829). Feed exclusively on zooplankton (Ref. 26454, 46829) and pick out individual organisms with their rather protractible mouths (Ref. 46829). Parental mouthbrooding is very common by both male and female adults; the young, of about 6 mm SL, are solely mouthbrooded by females; young which had become separated from the parent are found with other cichlid broods e.g. Lepidiolamprologus elongatus and Perissodus microlepis (Ref. 26454).

形成移動緩慢的魚群那一個只吃浮游動物。 藉著兩者雄魚與雌魚成魚,父母親的口孵非常普遍; 幼魚, 大約 6 mm SL, 獨自口孵雌性。 與父母分開了的幼魚被發現與其它的麗魚科的窩例如 長體雅麗魚〔Lepidiolamprologus elongatus〕 在一起與 小鱗奇齒麗魚〔Perissodus microlepis〕

Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | | 孕卵數 | 仔魚

非洲: 目前已知只來自 Nkumbula 島,尚比亞。

主要參考資料 Upload your references | 參考文獻 | 合作者 : Kullander, Sven O. | 合作者

Takahashi, T., Y. Yanagisawa and K. Nakaya, 1997. Microdontochromis rotundiventralis, a new cichlid fish (Perciformes: Cichlidae) from Lake Tanganyika. Ichthyol. Res. 44(2):109-117. (Ref. 26454)

IUCN 瀕危狀態 (Ref. 123251)

  未評估 

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  無害處的





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Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 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).
營養階層 (Ref. 69278):  3.4   ±0.45 se; based on food items.
回復力 (Ref. 120179):  高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
瀕危性 (Ref. 59153):  Low vulnerability (10 of 100) .