ກຸ່ມປາກະດູກອ່ອນ (ເຊັ່ນ: ປາສະຫລາມ, ປາຜາໄລ) (sharks and rays) >
Heterodontiformes (Bullhead and horn sharks) >
Heterodontidae (Bullhead, horn, or Port Jackson sharks)
Etymology: Heterodontus: heteros (Gr.), different; odontos (Gr.), tooth, referring to pointy teeth (for clutching prey) at front of jaws, different than rounded molar-like teeth (for grinding hard-shelled invertebrates) at the back (See ETYFish); quoyi: In honor of naval surgeon and naturalist Jean René Constant Quoy (1790‒1869), for his friendship, his “tireless zeal and extensive knowledge” (translation) of zoology, and for lessons and advice that have guided Fréminville in his study of science (See ETYFish).
Eponymy: Jean René Constant Quoy (1790–1869) was a French naval surgeon and zoologist who named many species, often with Joseph Paul Gaimard (q. [...] (Ref. 128868), visit book page.
ສະພາບແວດລ້ອມ: ສະພາບແວດລ້ອມ / ເຂດດິນຟ້າອາກາດ / ລະດັບຄວາມເລິກ / ຂອບເຂດການແຈກຢາຍ
ນິເວດວິທະຍາ
ສັດທະເລ ກ່ຽວກັນຫີນ; ລະດັບຄວາມເລິກ 3 - 40 m (Ref. 5227), usually 16 - 30 m (Ref. 54549). Tropical; 0°S - 10°S, 90°W - 71°W
Eastern Pacific: Peru (including offshore islands) and the Galapagos Islands. There might be another Heterodontus species from Peru which is Heterodontus peruanus, but these two cannot be separated as of this time for lack of materials examined.
ຂະໜາດ / ນ້ຳໜັກ / ອາຍຸ
ການຈະເລີນເຕັມໄວ: Lm ?  range ? - ? cm
Max length : 107 cm SL ຕົວຜູ້/ບໍ່ມີເພດ; (Ref. 5227)
Inhabits sand flat and rocky, boulder strewn reef areas, with sand between outcroppings in inshore continental and insular waters. Rests motionless on the bottom. Is docile, non-aggressive and a poor swimmer (Ref. 5227). Nocturnal (Ref. 43278). Feeds on shellfish, crabs, and small invertebrates (Ref. 28023). Oviparous (Ref. 50449). Size at birth (for a newly hatched male) is 17 cm.
ວົງຈອນຊີວິດ ແລະພຶດຕິກໍາການຫາຄູ່
ການຈະເລີນເຕັມໄວ | ການສືບພັນ | ການວາງໄຂ່ | ໄຂ່ | ຄວາມດົກຂອງໄຂ່ປາ | ຕົວອ່ອນ
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). Distinct pairing with embrace (Ref. 205).
Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 1 - Hexanchiformes to Lamniformes. FAO Fish. Synop. 125(4/1):1-249. Rome, FAO. (Ref. 247)
ສະຖານະພາບບັນຊີແດງຂອງ IUCN (Ref. 130435: Version 2025-2 (Global))
ໄພຂົ່ມຂູ່ຕໍ່ມະນຸດ
Traumatogenic
ການນໍາໃຊ້ຂອງມະນຸດ
ການປະມົງ: ທີ່ບໍ່ມີຄວາມສົນໃຈ
ເຄື່ອງມື
ບົດລາຍງານພິເສດ
ດາວໂຫລດ XML
ແຫຼ່ງອີນເຕີເນັດ
ການຄາດຄະເນໂດຍອີງໃສ່ແບບຈໍາລອງ
ດັດຊະນີຄວາມຫຼາກຫຼາຍທາງຊີວະພາບ (ເອກະສານອ້າງອີງ 82804) |
PD50 = 0.5029 [Uniqueness, from 0.5 = low to 2.0 = high]. |
|
Bayesian length-weight
|
a=0.00372 (0.00160 - 0.00864), b=3.15 (2.94 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
ຊັ້ນເຂດຮ້ອນ (ເອກະສານອ້າງອີງ 69278) |
3.5 ±0.50 se; based on food items. |
ຄວາມຢືດຢຸ່ນ (ເອກະສານອ້າງອີງ 120179) |
ຕຳ່, ປະຊາກອນຕຳ່ສຸດທີ່ໃຊ້ເວລາສອງເທົ່າ 4.5 - 14 ປີ (Fec assumed to be <100). |
ຄວາມສ່ຽງຕໍ່ການຫາປາ (Ref. 59153) |
High to very high vulnerability (71 of 100). 🛈 |
ທາດອາຫານ (Ref. 124155) |
Calcium = 12.5 [2.4, 47.7] mg/100g; Iron = 0.364 [0.088, 1.020] mg/100g; Protein = 19.2 [17.1, 21.3] %; Omega3 = 0.0756 [, ] g/100g; Selenium = 27.9 [8.7, 80.7] μg/100g; VitaminA = 53.7 [17.4, 155.9] μg/100g; Zinc = 0.969 [0.473, 1.973] mg/100g (wet weight); |