分類 / 名前
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Perciformes/Cottoidei (Sculpins) >
Liparidae (Snailfishes)
Etymology: Psednos: Greek, psednos, -e, -on = rare (Ref. 45335); kaganovskii: Named after the R/V Professor Kaganovskiy, the vessel used to collect the new species.
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
海 深海魚; 深さの範囲 ? - 1030 m (Ref. 138155). Deep-water
分布
領土 | 国連食糧農業機関の区域 | エコシステム | 事件 | 目的のマップ | 導入 | Faunafri
Northwest Pacific Ocean: Ojin Seamount in the Emperor Seamount Chain.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 6.2 cm SL オス/雌雄の選別がない; (Ref. 138155)
簡単な記述
検索表 | 形態学 | 形態計測学
背鰭 (合計) : 39; 臀鰭: 36; 脊つい: 47. Diagnosis. Vertebrae 47; D 39; A 35; pectoral fin rays 15; single notch ray; strong spinal hump; keeled gular area; unmodified gill rakers; three round pectoral radials; lacking interradial fenesta, widely spaced second and third radials; small foramen piercing basal lamina anterior to scapula; heavily pigmented stomach, pyloric caeca and anterior half of intestine, and mottled posterior part of intestine. It belongs to the Psednos christinae species–group, but differs from all other species in this group by having a larger eye (35.7% of head length), heavily pigmented gastrointestinal duct, pectoral girdle structure, and a combination of other characters. (Ref. 138155).
Body shape (shape guide): elongated; Cross section: oval.
Probably a mesopelagic species (exact bathymetric range remains uncertain),collected using a non-closing bottom trawl (Ref. 138155),
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Prokofiev, A. M. and A.M. Orlov, 2025. A new species of the genus Psednos (Teleostei: Liparidae) from the Emperor Seamount Chain and the first record of this genus from the northwestern Pacific Ocean. Zoosystematica Rossica 34(2):272-278. (Ref. 138155)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間の用途
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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 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00525 (0.00237 - 0.01161), b=3.15 (2.96 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (参照
69278): 3.3 ±0.5 se; based on size and trophs of closest relatives
回復力 (参照
120179): 高い, 15か月以下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 (10 of 100).
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