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Perciformes/Zoarcoidei (Eelpouts and pricklebacks) >
Zoarcidae (Eelpouts) > Lycodinae
Etymology: Ophthalmolycus: Greek, ophthalmos = eye + Greek, lykos = wolf (Ref. 45335); andersoni: The new species is named after Dr. M. Eric Anderson, in honour of his many contributions to
knowledge of zoarcids (Ref. 80464).
環境：環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
海 底生の漂泳性; 深さの範囲 286 - ? m (Ref. 80464). Polar; 64°S - 65°S, 62°W - 63°W
Antarctic: Paradise Bay, Antarctic Peninsula (Ref. 80464).
サイズ / 重さ / 年齢
成熟: Lm ? range ? - ? cm
Max length : 26.3 cm SL オス/雌雄の選別がない; (Ref. 80464)
簡単な記述
検索表 | 形態学 | 形態計測学
背鰭 (合計) : 87 - 91; 臀鰭: 72 - 74; 脊つい: 92 - 96. A species of Ophthalmolycus as defined by Anderson (1992, 1994) with the following
combination of characters: 6 branchiostegal rays; pectoral fin origin well below midbody, pectoral base extending ventrally to abdomen; lateral line double with ventral and medio-lateral branches; oral valve not reaching anterior edge of vomer; gill slit extending ventrally well below ventral end of pectoral fin base; vertebrae asymmetrical 22+70-74=92-96; dorsal fin origin associated with vertebrae 4 or 5 with no supraneurals; pectoral fin rays 16 or 17; 2 postorbital pores (positions 1 and 4); 2 well developed pyloric caeca and 0–3 pseudobranch filaments (Ref. 80464).
Body laterally compressed and relatively short; tail laterally compressed, especially posteriorly. Head nearly triangular in cross section; eye ellipsoid, not entering dorsal profile of head. Scales small, sparse, present only on tail and un-paried fin bases. Gill slit extending ventrally well below lower edge of pectoral fin base. Triangular opercular flap at upper end of gill slit. Pectoral-fin origin well below midbody, pectoral-fin base with its lower end on abdomen, pectoral-fin margin rounded; ventralmost 5–7 rays thickened, tips exserted. Upper jaw protruding, end of maxilla extending to posterior margin of eye; lower lip with a small lobe. Nasal tube long, unpigmented, overhanging upper lip. Two well-developed pyloric caeca present, their length about 66 % of eye diameter. Gill rakers 3+ 8–9, triangular. Pseudobranch filaments 0–3.
Cephalic lateralis pore system with pores enlarged except the 7th and 8th preoperculomandibular, and the two postorbital pores. 2 nasal pore, 1st pore located anteromesial to nasal tube, the other dorsoposterior to it. Two postorbital pores (positions 1 and 4). Six suborbital pores all on the ventral ramus. Eight preoperculomandibular pores. Interorbital and occipital pores absent. Body lateral line configuration with 2 rows of neuromasts: lower lateral-line beginning just behind the fourth postorbital pore, steeply sloping above pectoral fin and extending ventrolaterally to the end of the tail; middle lateral line, originated behind the anal-fin origin and coursing to tail tip (Ref. 80464).
Body shape (shape guide): eel-like; Cross section: compressed.
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Matallanas, J., 2009. Description of Ophthalmolycus andersoni sp. nov. (Pisces, Zoarcidae) from the Antarctic Ocean. Zootaxa 2027:55-62. (Ref. 80464)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
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インターネットの情報源
モデルに基づく推定値
系統多様性指数 (参照
82804): PD
50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00120 (0.00057 - 0.00253), b=3.10 (2.91 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (参照
69278): 3.4 ±0.4 se; based on size and trophs of closest relatives
回復力 (参照
120179): 低い, ４．５年～１４年の倍増期間の最小個体群 (Preliminary K or Fecundity.).
漁業の脆弱性 (Ref.
59153): Low vulnerability (22 of 100).
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