Caecieleotris morrisi

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相關魚種
- 魚種在
  Caecieleotris
- 魚種在
  Eleotridae
- - 分類 -
- Eleotridae
- Gobiiformes
- Teleostei
- Chordata
- Animalia

Caecieleotris morrisi Walsh & Chakrabarty, 2016

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drawing shows typical species in Eleotridae.

分類 / Names 俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Gobiiformes (Gobies) 鱸形目 (Gobies) > Eleotridae (Bully sleepers) 塘鱧科 (Bully sleepers)
Etymology: morrisi: Named for Thomas L. Morris, discoverer and collector of this new species, renowned cave diver and speleobiologist, intrepid explorer, and respected conservationist devoted to the protection of karst habitats and their associated biotas.
Eponymy: Thomas L Morris is a “…renowned cave diver and speleobiologist, intrepid explorer, and respected conservationist devoted to the protection of karst habitats and their associated biotas”. [...] (Ref. 128868), visit book page.

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

; 淡水居於水底的.

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

Central America: known from only a single cave system beneath Presa Miguel Alemán reservoir, northern State of Oaxaca, Mexico.

大小 / 重量 / 年齡

Maturity: L_m ? range ? - ? cm
Max length : 3.4 cm SL 雄魚/尚未辨別雌雄; (Ref. 109339)

簡短描述檢索表 | 型態特徵 | 形態測量圖

背棘 (總數) : 6 - 7; 背的軟條 (總數) : 7 - 8; 臀棘: 1; 臀鰭軟條: 6 - 10; 脊椎骨: 24 - 25. Caecieleotris morrisi is distinguished from the majority of other sleepers, and all epigean forms in the Western Atlantic, by the absence of eyes and pigmentation. This species is provisionally placed in the Gobiiformes, family Eleotridae, based on a limited number of characters that it shares with other members of the family as currently recognized, e.g., having a mode of six branchiostegals, pelvic fins separated at the base, and procurrent cartilages of the caudal fin elongated posteriorly and extended over the epurals. It differs from the cave-dwelling Bostrychus microphthalmus from Sulawesi by the absence of eyes (vs. present, minute, covered by skin), complete lack of pigmentation (vs. body pale, few melanophores on dorsum), absence of scales on operculum and side of head (vs. present), lower lateral scale count (?32 vs. ?102), fewer transverse scale rows on midside of body (?6 vs. ?31), and absence of pores associated with the cephalic lateralis system (vs. present). It can be diagnosed from the blind species of Oxyeleotris from Indonesia (O. colasi) and Papua New Guinea (O. caeca) in lacking sensory pores on the head associated with the cephalic lateralis system (vs. cephalic sensory pores present, although reduced in comparison to other gobiiform fishes). It differs from the cave species of Typhleotris from Madagascar (T. madagascariensis, T. mararybe, and T. pauliani) in having the head asquamate (vs. scales extending anteriorly onto the head), squamation absent on the venter (vs. fully scaled on the belly as well as laterally below the pectoral fin), scales embedded (especially on anterior half of body) and hard to discern (vs. in prominent rows on the surface of the body and head). Cave-dwelling species of the genus Milyeringa from western Australia have elements of the first dorsal fin reduced (spines II-IV in M. veritas) to absent (M. justitia), versus V-VI in Caecieleotris morrisi; and also have 4-5 total lepidotrichia (first unsegmented) in the pelvic fin, versus six in Caecieleotris morrisi (Ref. 109339).

A cave inhabitant. The cave entrance at the type locality lies at about 6.1 m deep beneath a rocky bluff along the shoreline of the lake. Immediately within the cave, the depth drops to about 27.4 m before rising to a depth close to 12.2 m where it then levels off. Flowstone (sheet-like mineral deposits typically consisting of calcite) was observed in the cave (Ref. 109339).

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

主要參考資料 Upload your references | 參考文獻 | 合作者 | 合作者

Walsh, S.J. and P. Chakrabarty, 2016. A new genus and species of blind sleeper (Teleostei: Eleotridae) from Oaxaca, Mexico: First obligate cave Gobiiform in the Western hemisphere. Copeia 104(2):506-517. (Ref. 109339)

IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)

未評估

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

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人類使用

漁業: 沒有興趣

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00603 (0.00286 - 0.01269), b=3.10 (2.91 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

營養階層 (Ref. 69278): 3.1 ±0.5 se; based on size and trophs of closest relatives

回復力 (Ref. 120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

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