Hydrozoa |
Leptothecata |
Sertulariidae
ສະພາບແວດລ້ອມ: ສະພາບແວດລ້ອມ / ເຂດດິນຟ້າອາກາດ / ລະດັບຄວາມເລິກ / ຂອບເຂດການແຈກຢາຍ
ນິເວດວິທະຍາ
ອາໄສຢູ່ໃກ້ໜ້າດິນໃຕ້ພື້ນທ້ອງນ້ຳ; ລະດັບຄວາມເລິກ 18 - 4804 m (ເອກະສານອ້າງອີງ 7414). Temperate
Southwest Atlantic, Southeast Pacific and Antarctic Pacific. Temperate to polar.
ຄວາມຍາວໃນການເຕີບໂຕເຕັມຄັ້ງທໍາອິດ / ຂະໜາດ / ນ້ຳໜັກ / ອາຍຸ
ການຈະເລີນເຕັມໄວ: Lm ? range ? - ? cm Max length : 12.0 cm H ຕົວຜູ້/ບໍ່ມີເພດ; (ເອກະສານອ້າງອີງ 7414)
Stems up to 12 cm high, polysiphonic over part of their length. Branching alternate and in one plane; sometimes anastomoses amongst the branches. Hydrothecae arranged in decussate verticils of two to four hydrothecae, forming four to eight longitudinal rows. Frequently, however, hydrothecal verticils with irregularities, and indistinct. Hydrothecae low, sunken into branches for approximately one-third of their volume. Adcauline hydrothecal wall adnate to internode for almost its entire length. Hydrothecal abcauline wall straight or slightly concave; hydrothecal aperture slightly laterally depressed; rim uneven due to the presence of an elevation of the abcauline hydrothecal wall, aperture only slightly tilted downward. Hydrotheca without mushroom-shaped diaphragm. Male and female gonothecae present. Female gonotheca arising from a stolonal process (modified branch) originating at the hydrothecal base. This
process provided with alternately arranged, isolated hydrothecae with one gonotheca at the base of each hydrotheca. Female gonotheca pear-shaped, sometimes provided with a few spine-shaped projections. Gonothecal aperture not observed. Male gonothecae inserted directly at the hydrothecal base and arranged in close proximity on the branches; gonotheca fusiform with a small circular aperture at the distal end.
Eurybathic species. Found from depths between 18 and 500m ; collected from 76 to 4804 m. On stony bottoms, pebbles, epilithic on gravel and epibiotic on bryozoans (Ref. 7414).
ວົງຈອນຊີວິດ ແລະພຶດຕິກໍາການຫາຄູ່
ການຈະເລີນເຕັມໄວ | ການສືບພັນ | ການວາງໄຂ່ | ໄຂ່ | ຄວາມດົກຂອງໄຂ່ປາ | ຕົວອ່ອນ
Members of the order Leptothecata include L-form hydroids. Life cycle: The zygote develops into planula and later into polyp then into free-swimming medusa.
Peña Cantero, A.L. and W. Vervoort 2003 Species of Staurotheca Allman, 1888 (Cnidaria; Hydrozoa: Sertulariidae) from US Antarctic expeditions, with the description of three new species. Journal of Natural History 37:2653-2722. (ເອກະສານອ້າງອີງ 7414)
ສະຖານະພາບບັນຊີແດງຂອງ IUCN
(ເອກະສານອ້າງອີງ 130435: Version 2025-2 (Global))
ສະຖານະ CITES (ເອກະສານອ້າງອີງ 108899)
Not Evaluated
CMS (ເອກະສານອ້າງອີງ 116361)
Not Evaluated
ໄພຂົ່ມຂູ່ຕໍ່ມະນຸດ
Harmless
ການນໍາໃຊ້ຂອງມະນຸດ
FAO - Publication: search | FishSource |
ເຄື່ອງມື
ຂໍ້ມູນຕື່ມອີກ
ນິເວດວິທະຍາເຂດຮ້ອນລາຍການອາຫານ (ຜູ້ຖືກລ້າ)
ອົງປະກອບຂອງອາຫານ
ການບໍລິໂພກອາຫານ
ຜູ້ລ້າ
ນະໂຍບາຍດ້ານປະຊາກອນການເຕີບໃຫຍ່
ສູງສຸດ. ອາຍຸ / ຂະຫນາດ
ຄວາມຍາວ-ນ້ໍາຫນັກ rel.
ຄວາມຍາວ - ຄວາມຍາວ rel.
ຄວາມຖີ່ຄວາມຍາວ
ການແປງມະຫາຊົນ
ຄວາມອຸດົມສົມບູນ
ວົງຈອນຊີວິດການສືບພັນການຈະເລີນເຕັມໄວຄວາມດົກຂອງໄຂ່ປາການວາງໄຂ່ໄຂ່ການພັດທະນາໄຂ່ຕົວອ່ອນ ຟີຊິກສາດການບໍລິໂພກອົກຊີເຈນ
ມະນຸດທີ່ກ່ຽວຂ້ອງສະແຕມ, ຫຼຽນ, ອື່ນໆ.
ແຫຼ່ງອີນເຕີເນັດ
ການຄາດຄະເນໂດຍອີງໃສ່ແບບຈໍາລອງ
ຄວາມສ່ຽງຕໍ່ການຫາປາ
(ເອກະສານອ້າງອີງ 71543) |
Low vulnerability (10 of 100). |
