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Perciformes/Cottoidei (Sculpins) >
Agonidae (Poachers) > Bothragoninae
Etymology: Bothragonus: Greek, bostrykos = cure of lack of hair + Greek, gono = birth (Ref. 45335); swanii: Named after James G. Swan of Port Townsend, Washington (Ref. 6885).
Eponymy: James Gilchrist Swan (1818–1900) of Port Townsend, Washington, was an anthropologist, judge, political advisor, artist and schoolteacher, as well as being an Indian Agent and ethnologist and one of the most colorful personalities of Washington State [...] (Ref. 128868), visit book page.
More on author: Steindachner.
Environment: milieu / climate zone / depth range / distribution range
ນິເວດວິທະຍາ
ສັດທະເລ ອາໄສຢູ່ໃກ້ໜ້າດິນໃຕ້ພື້ນທ້ອງນ້ຳ; ລະດັບຄວາມເລິກ 0 - 18 m (Ref. 2850). Temperate; 60°N - 35°N, 155°W - 121°W
Eastern Pacific: Kodiak Island, Alaska to Carmel Bay, Monterey County, California, USA (southernmost range confirmed by J.R. Wolfe, pers. comm. 09/02).
ຂະໜາດ / ນ້ຳໜັກ / Age
Maturity: Lm ? range ? - ? cm
Max length : 8.9 cm TL ຕົວຜູ້/ບໍ່ມີເພດ; (Ref. 2850)
ຄີ (ໜາມ)ແຂງຢູ່ຫຼັງປາ (ທັງໝົດ) : 2 - 5; ຄີຫຼັງຂອງປາ (ຄີອ່ອນ) (ທັງໝົດ) : 4 - 5; ຄີ(ໜາມ) ແຂງຢູ່ຄີກົ້ນປາ
ກຸ່ມປາກະດູກແຂງ
ຄວາມຖີ່ຂອງກຸ່ມຖ່າຍທອດພັນ
ປາທີ່ມີການເຄື່ອນຍ້າຍຈາກທະເລໄປຫານ້ຳຈືດ ແລະນ້ຳຈືດຫາທະເລ
ປາທີ່ມີການເຄື່ອນຍ້າຍຈາກທະເລແລະໄປໄຂ່ຢູ່ນ້ຳຈືດ
ຄີກົ້ນຂອງປາ
ສັດທີ່ມີກະດູກສັນຫັຼງ
ການຖ່າຍທອດທາງກຳມະພັນຈາກພໍ່ແມ່ຫາລູກ: 0; ຄີກົ້ນຂອງປາ: 4 - 5; ສັດທີ່ມີກະດູກສັນຫຼັງ: 32. Dorsal fins small; caudal fin rounded; pectoral fins large, supported well out from sides of body; pelvic fins very narrow and rays appear fused (Ref. 6885). Color very variable, depending on background; brown with dark bars, orange with bluish bars, or scarlet with brown bars (Ref. 6885).
Inhabits intertidal areas and to 18 m depth (Ref. 2850). Frequently caught in tide pools (Ref. 28197). Its food consists mainly of tiny crustaceans (shrimp and crab-like creatures) which are picked from the bottom or very close to it (Ref. 4930). Demersal spawner in nearshore habitats (Ref. 56049).
Life cycle and mating behavior
ການຈະເລີນເຕັມໄວ | ການສືບພັນ | ການວາງໄຂ່ | ໄຂ່ | ຄວາມດົກຂອງໄຂ່ປາ | ຕົວອ່ອນ
Demersal spawners.
Kanayama, T., 1991. Taxonomy and phylogeny of the family Agonidae (Pisces: Scorpaenifomes). Mem. Fac. Fish. Hokkaido Univ. (38)1-2:1-199. (Ref. 28197)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
ເຄື່ອງມື
Special reports
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ແຫຼ່ງອີນເຕີເນັດ
Estimates based on models
Preferred temperature (Ref.
123201): 8.4 - 12.8, mean 9.8 °C (based on 177 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
ຊັ້ນເຂດຮ້ອນ (Ref.
69278): 3.6 ±0.59 se; based on food items.
ຄວາມຢືດຢຸ່ນ (Ref.
120179): ສູງ, ປະຊາກອນຕຳ່ສຸດທີ່ໃຊ້ເວລາສອງໜ້ອຍກວ່າ 15 ເດືອນ (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
