Cyprinodon brontotheroides

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Cyprinodon brontotheroides Martin & Wainwright, 2013

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

Actinopterygii 輻鰭魚綱 (條鰭魚) > Cyprinodontiformes (Rivulines, killifishes and live bearers) 鱂形目 (Rivulines, killifishes and live bearers) > Cyprinodontidae (Pupfishes) 鯉齒鱂科 (Pupfishes) > Cyprinodontinae
Etymology: Cyprinodon: Latin, cyprinus = carp + Greek, odous = teeth (Ref. 45335);  brontotheroides: Name denotes the resemblance of the unique protruding nasal region in this species to the bizarre horn-like skull appendages of the extinct odd-toed ungulate family Brontotheriidae.

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

; 淡水 底中水層性.   

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

Central America: restricted to six hypersaline lakes on San Salvador Island, Bahamas: Crescent Pond, Osprey Lake, Oyster Lake, Little Lake, Wild Dilly Pond and Moon Rock Pond.

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 3.6 cm SL 雄魚/尚未辨別雌雄; (Ref. 94405)

簡短描述 型態特徵 | 形態測量圖

背的軟條 (總數): 11-12; 臀鰭軟條: 11 - 12. Distinguished from two other Cyprinodon species on San Salvador Island by the following characters: anterior process of the maxillary head extends up to or beyond the most anterior point on the dentigerous arm of the premaxilla with oral jaws retracted (vs. most anterior point on the maxillary head is always posterior to the most anterior point on the dentigerous arm of the premaxilla in C. variegatus and C. desquamator); externally, this skeletal extension presents as a fleshy protuberance nearly encasing the upper jaw when retracted (vs. lacking any fleshy protuberance surrounding the maxillary head in C. variegatus and C. desquamatory); paired nasal bones are not enlarged, but form a more acute angle (approximately 120") with the dorsal margin of the neurocranium (vs. approximately 180" in C. variegatus and C. desquamatory); with either pale or complete absence of banding along the body in both sexes and shortened lower jaws jaws relative to C. variegates and C. desquamator, which always show dark banding along the body and either typical jaw length for the genus or enlarged jaws, respectively (Ref. 94405).

生物學特性     字彙 (例如 epibenthic)

Inhabits six hypersaline lakes (Crescent Pond, Osprey Lake, Oyster Lake, Little Lake, Wild Dilly Pond and Moon Rock Pond). Sympatric with Cyprinodon variegatus in all six lakes and with C. desquamator in four of the six lakes (except Wild Dilly Pond and Moon Rock Pond). Feeds on gastropods and ostracods. Spawning occurs in spring and summer seasons, but may be more more common in the spring. Breeding territories are guared by males (Ref. 94405).

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


主要參考資料 Upload your references | 參考文獻 | 合作者 : Costa, Wilson J.E.M. | 合作者

Martin, C.H. and P.C. Wainright, 2013. A remarkable species flock of Cyprinodon pupfishes endemic to San Salvador Island, Bahamas. Bulletin of the Peabody Museum of Natural History 54(2):231-240. (Ref. 94405)

IUCN 瀕危狀態 (Ref. 120744)

  未評估 

CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

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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=0.01072 (0.00486 - 0.02360), b=3.22 (3.04 - 3.40), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
營養階層 (Ref. 69278):  3.0   ±0.4 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.).
瀕危性 (Ref. 59153):  Low vulnerability (10 of 100) .