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Percopsiformes (Trout-perches, pirate perches and cavefishes) >
Amblyopsidae (Cavefishes)
Etymology: Typhlichthys: Greek, typhlops = blind + Greek, ichthys = fish (Ref. 45335); subterraneus: subterraneus meaning beneath the earth (Ref. 10294).
More on author: Girard.
Environment: milieu / climate zone / depth range / distribution range
بوم شناسي
; آب شيرين نزديك كف زي. Temperate; 39°N - 34°N
North America: portions of Alabama, Georgia, Tennessee, Kentucky, Indiana, Missouri and Arkansas, U.S.A.
Size / Weight / سن
Maturity: Lm ? range ? - ? cm
Max length : 9.0 cm TL جنس نر / بدون خواص جنسي; (Ref. 10294); common length : 5.0 cm TL جنس نر / بدون خواص جنسي; (Ref. 12193); بيشينه سن گزارش شده: 4 سال ها (Ref. 10294)
شعاع نرم باله پشتي (کل): 7-10; شعاع نرم باله مخرجي: 7 - 10; مهره ها: 28 - 29. Pink-white. No eyes (vestigial eye tissues under skin). Large, broad head. Caudal fin with 0-2 rows of papillae (Ref. 5723) and a vertical basal row (Ref. 10294); 10-15 branched caudal rays (Ref. 5723).
Adults inhabit subterranean water (Ref. 5723). Found in caves which are near the water table and are therefore more uniform than other amblyopsid caves (Ref. 34868). Feed mainly on copepods, amphipods and isopods (Ref. 10294). Eggs are carried in gill chambers of females (Ref. 205).
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)
Incubates eggs in gill chamber of females (Ref. 205). Fecundity is very low, perhaps fewer that 50 ova per female (Ref. 10294).
Page, L.M. and B.M. Burr, 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)
وضعيت در فهرست قرمز IUCN (Ref. 130435)
خطر برای انسان ها
Harmless
استفاده انسانی
ماهي گيري – شيلات: از بی علاقه گی
اطلاعات بيشتر
مراجعآبزي پرورينمايه آبزي پرورينژادهاژنتيكElectrophoresesوارثبيماري هافرآوریNutrientsMass conversion
همكارانعکس هاStamps, Coins Misc.صداهاسيگواتراسرعتنوع شناگریمنطقه آبششيOtolithsمغزهابینایی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0088 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.3 ±0.37 se; based on food items.
Generation time: 2.6 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
جهندگی (Ref.
120179): متوسط, كمينه زمان لازم براي دو برابر شدن جمعيت 4/1 – 4/4 سال (K=0.43; tm=2; tmax=4).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (28 of 100).
