Crenicichla hadrostigma

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Crenicichla hadrostigma Lucena 2007

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Crenicichla hadrostigma
Picture by Lucena, C.A.S.

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) > Cichlinae
Etymology: Crenicichla: Latin, crenulatus = cut, clipped + Greek, kichle = wrasse (Ref. 45335);  hadrostigma: Name from Greek ‘hadros’ meaning well-developed and ‘stigma’ for spot, mark, refers to the prominent post-temporal spot, which is diagnostic of the species; an adjective.

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

; 淡水 大洋性.   

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

South America: Uruguay.

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 11.4 cm SL 雄魚/尚未辨別雌雄; (Ref. 75870)

簡短描述 型態特徵 | 形態測量圖

This species readily distinguished from all its congeners by possessing a conspicuous ocellated posttemporal spot, which is always greater than half orbital diameter, often equal or larger than orbital diameter (vs. smaller or absent); it differs from C. igara and C. jurubi, by the absence of numerous spots scattered over the back and sides (in both sexes), and by the presence, in males, of 11 to 16 narrow vertical single or double-bars across the sides from just below the first spine of dorsal-fin to the first and second or fourth and fifth soft ray of the same fin (vs. 5-7 elongate dark blotches varying in appearance, the narrow vertical bars can occur in C. tendybaguassu, C. minuano and C. missioneira); it differs from C. tendybaguassu by the normal (vs. greatly thickened) lips. The isognathous mouth distinguishes this species from C. missioneira which has the lower jaw longer than the upper jaw; distinguished from C. minuano and C. celidochilus by the absence of a lateral band (vs. present) (Ref. 75870).

生物學特性     字彙 (例如 epibenthic)

Stomach contents of one female specimen (9.32 cm SL, MCP 40176) contain aquatic insect larvae; while another female specimen (MCP 22036) was removed from the stomach of a Salminus brasiliensis specimen (Ref. 75870).

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 : Kullander, Sven O. | 合作者

Lucena, C.A.S. de, 2007. Two new species of the genus Crenicichla Heckel, 1840 from the upper rio Uruguay drainage (Perciformes: Cichlidae). Neotrop. Ichthyol. 5(4):449-456. (Ref. 75870)

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

 





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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=0.00794 (0.00349 - 0.01806), b=3.09 (2.90 - 3.28), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
營養階層 (Ref. 69278):  3.2   ±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 (15 of 100) .