Lacustricola pygmaeus Bragança, Skelton, Bills, Tweddle & Chakona, 2021
分類 / 名前 共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
> Cyprinodontiformes (Rivulines, killifishes and live bearers) > Procatopodidae (African lampeyes) > Procatopodinae
Etymology: pygmaeus: The epithet pygmaeus, from the Latin pygmaei (singular pygmaeus), is an allusion to the very small or miniature size of Lacustricola pygmaeus, the smallest species within the L. hutereaui complex (Ref. 123968).
Etymology: pygmaeus: The epithet pygmaeus, from the Latin pygmaei (singular pygmaeus), is an allusion to the very small or miniature size of Lacustricola pygmaeus, the smallest species within the L. hutereaui complex (Ref. 123968).
環境：環境 / 気候帯 / 深さの範囲 / 分布範囲 生態学
; 新鮮な水 外洋の. Tropical
分布 領土 | 国連食糧農業機関の区域 | エコシステム | 事件 | 目的のマップ | 導入 | Faunafri
Africa: Cuito, Cuanavale, and Okavango rivers, as well as Cuando and small upper Zambezi tributaries in a region comprising Angola and Zambia (Ref. 123968). Also known from Okavango Delta, Chobe River, in Botswana and Namibia and swamps of the Barotse floodplains in the upper Zambezi in Zambia, and Bukalo Channel in Namibia (Ref. 123968).
サイズ / 重さ / 年齢
簡単な記述 検索表 | 形態学 | 形態計測学
背面の脊椎 (合計) : 0; 背鰭 (合計) : 10 - 12; 肛門の骨: 0; 臀鰭: 12 - 15; 脊つい: 24 - 26. Diagnosis: Lacustricola pygmaeus is distinguished from L. centralis, L. jobaerti, L. johnstoni, L. jubbi, L. katangae, L. macrurus, L. matthesi, L. mediolateralis, L. moeruensis, L. myaposae, L. nigrolateralis, and L. stiassnyae by the possession of banded dorsal, anal, and caudal fins in males and also by the possession of a pointed premaxilla ascending process, in which the premaxilla medial surface is slightly convex (Ref. 123968). It is further distinguished from L. hutereaui, L. chobensis, and L. petnehazyi by an inconspicuous reticulate pattern on scale margins vs. conspicuous; banded anal, dorsal, and caudal fins in females vs. hyaline; faint bands in the middle rays of caudal fin of male vs. conspicuous bands; rounded caudal fin in males vs. elliptical; bright green-blue colour restricted to the area delimited by some of the flank scales vs. bright green colouration not restricted to scale area in L. chobensis and L. petnehazyi, and absent in L. hutereaui; quadrate posterior margin with a deep concavity vs. convex or about straight; first dorsal-fin ray inserted in a vertical to second and third anal-fin ray vs. fourth to eight (Ref. 123968). It is further distinguished from L. hutereaui by the absence of maxilla ventral sharp process vs. presence; retroarticular about the same size as anguloarticular ventral process vs. shorter; posteroventral extension on lachrymal vs. rectangular, without posteroventral extension; infraorbital canal anterior portion open, with three to four neuromasts vs. closed, with four pores; mandibular canal open, with two small neuromasts vs. closed, with four pores; head neuromasts placed in shallow grooves or on the same level as head surface vs. on deep grooves; possession of chromatophores close to eye, along infraorbital region vs. absence of chromatophores; posttemporal ventral arm not ossified vs. ossified; and by a cleithrum posterodorsal bone flap rounded vs. sinuous (Ref. 123968). Lacustricola pygmaeus is further distinguished from L. petnehazyi by the possession of 20-22 scales on longitudinal series vs. 24-27, and from L. chobensis by the possession of 26-30 caudal-fin rays vs. 21-24; 10-12 dorsal-fin rays vs. 6-8; and chromatophores along whole mid-body line of flank, forming an inconspicuous line vs. conspicuous (Ref. 123968).
It is a swamp-dwelling species that does not occur in riverine habitats (Ref. 123968).
ライフサイクルと交尾行動 成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
主な参考文献
参考文献のアップロード | 参考文献 | コーディネーター | 協力者
De Bragança, P.H.N., P.H. Skelton, R. Bills, D. Tweddle and A. Chakona, 2021. Revalidation and redescription of "Lacustricola" chobensis (Fowler, 1935) and description of a new miniature species of "Lacustricola" from southern Africa (Cyprinodontiformes: Procatopodidae). Ichthyol. Herpetol. 109(1):123-137. (Ref. 123968)
CITES
Not Evaluated
人間に対する脅威
Harmless
人間の用途
FAO - Publication: search | FishSource |
より多くの情報
ライフサイクル
繁殖
成熟
成熟度／エラ
生産力
放精
産卵群
卵
卵の開発
幼生
幼生の動力
繁殖
成熟
成熟度／エラ
生産力
放精
産卵群
卵
卵の開発
幼生
幼生の動力
解剖学
カマ
脳
オトリス
カマ
脳
オトリス
生理学
体組成
栄養素
酸素消費
水泳タイプ
泳ぐ速さ
視覚色素
フィッシュ・サウンド
病気と寄生虫
毒性（LC50）
体組成
栄養素
酸素消費
水泳タイプ
泳ぐ速さ
視覚色素
フィッシュ・サウンド
病気と寄生虫
毒性（LC50）
遺伝子の
ゲノム
遺伝子の
ヘテロ接合性
遺伝
遺伝的多様性
ゲノム
遺伝子の
ヘテロ接合性
遺伝
遺伝的多様性
用具
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モデルに基づく推定値
系統多様性指数 (参照 82804): PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
栄養段階 (参照 69278): 3.0 ±0.3 se; based on size and trophs of closest relatives