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Chimaeriformes (Chimaeras) >
Chimaeridae (Shortnose chimaeras or ratfishes)
Etymology: Hydrolagus: hydro-, combining form of hydor (Gr.), water; lagos (Gr.), hare, i.e., “water rabbit,” probably referring to three pairs of tooth plates, which tend to protrude from the mouth like a rabbit’s incisors. (See ETYFish); macrophthalmus: macro-, from makros (Gr.), long; ophthalmos (Gr.), eye, referring to its large oval eyes. (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
بوم شناسي
دريايي موجوداتی که در اعماق زیر 200 متر زندگی و تغذیه می کنند; تغييرات عمق 590 - 1160 m (Ref. 97389). Subtropical
Eastern Pacific: from the central coast of Mexico, Costa Rica, Peru and Chile.
Size / Weight / سن
Maturity: Lm ? range ? - ? cm
Max length : 63.9 cm TL جنس نر / بدون خواص جنسي; (Ref. 97389); 58.1 cm TL (female)
توصيف مختصر
ريخت شناسي | ريخت ستجي بوسيله انداره گيري
This species is distinguished by the following set of characters: slender body; short and bluntly rounded snout; relatively short head (HDL 24.2-24.5% BDL); relatively large eyes (EYL 30.9-34.2% HDL); oral and preopercular lateral line canals sharing a short common branch from the infraorbital canal; relatively large pectoral fins (P1A 36.5-40.8% BDL), extending posterior to the insertion of pelvic fins; trunk's lateral line canal without sinusoidal undulations; the anterior and posterior regions of second dorsal fin considerably taller than middle region; no anal fin; tail region elongate and slender (PCA 58.3-59.9% BDL); caudal-fin axis horizontal with the fin nearly symmetrical, epaxial and hypaxial lobes equal sized; coloration uniform brown across entire body, no white markings and bluish fins (Ref. 97389).
Oviparous (Ref. 205). Eggs are encased in horny shells (Ref. 205).
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)
Angulo, A., M.I. López, W.A. Bussing and A. Murase, 2014. Records of chimaeroid fishes (Holocephali: Chimaeriformes) from the Pacific coast of Costa Rica, with the description of a new species of Chimera (Chimaeridae) from the eastern Pacific Ocean. Zootaxa 3861(6):554-574. (Ref. 97389)
وضعيت در فهرست قرمز IUCN (Ref. 130435)
خطر برای انسان ها
Harmless
استفاده انسانی
اطلاعات بيشتر
Age/Sizeرشدطول - وزنطول - طولنوسانات طولیريخت ستجي بوسيله انداره گيريريخت شناسيتوزاد ( لارو)پويايي لارويبازسازیفراوانيBRUVS
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 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00282 (0.00118 - 0.00673), b=3.10 (2.89 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.8 ±0.6 se; based on size and trophs of closest relatives
جهندگی (Ref.
120179): پايين ، كم, كمينه زمان لازم براي دو برابر شدن جمعيت 5/4 – 14 سال (Assuming Fec <100).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (46 of 100).
Nutrients (Ref.
124155): Calcium = 38.6 [9.8, 112.6] mg/100g; Iron = 0.933 [0.321, 3.831] mg/100g; Protein = 16.9 [11.3, 20.1] %; Omega3 = 0.325 [0.136, 0.762] g/100g; Selenium = 40.6 [8.9, 111.7] μg/100g; VitaminA = 8.59 [2.78, 25.30] μg/100g; Zinc = 0.599 [0.309, 1.157] mg/100g (wet weight);
