Parapercis natator

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Parapercis natator Randall, Senou & Yoshino, 2008

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Parapercis natator
Female picture by Randall, J.E.

分類 / Names 俗名 | 同種異名 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii 輻鰭魚綱 (條鰭魚) > Perciformes (Perch-likes) 鱸形目 (Perch-likes) > Pinguipedidae (Sandperches) 肥足鰧科 (Sandperches)
Etymology: Parapercis: Greek, para = the side of + Greek, perke = perch (Ref. 45335);  natator: Name from Latin word meaning swimmer, refers to its habit of swimming in small aggregations above the bottom.  More on authors: Randall, Senou & Yoshino.

Environment: milieu / climate zone / depth range / distribution range 生態學

; 海洋 底中水層性; 深度上下限 0 - 45 m (Ref. 75205).   

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

Northwest Pacific: Japan.

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 8.9 cm SL 雄魚/尚未辨別雌雄; (Ref. 75205)

簡短描述 型態特徵 | 形態測量圖

背棘 (總數): 5 - 6; 背的軟條 (總數): 22; 臀棘 1; 臀鰭軟條: 18; 脊椎骨: 30. This species is distinguished by the following characters: D V, 22 (one with VI); A I, 18; pectoral-fin rays 17 or 18 (usually 17); lateral-line scales 59-61; median predorsal scales 10-11; gill rakers 3-5+10-13; projecting lower jaw; canine teeth 3 pairs anteriorly in lower jaw; palatine teeth absent; vomer has a row of 10-14 small conical teeth; body scales finely ctenoid, becoming cycloid ventrally on abdomen, prepelvic area, nape, and below spinous portion of dorsal fin; above posterior margin of preopercle at level of dorsal edge of orbit is an isolated round patch of small cycloid scales; opercle and cheek with small, cycloid and partially embedded scales; preopercle with smooth margin; body depth 5.0-6.1 in SL; head length 3.3-3.6 in SL; snout length 3.65-4.5 in HL; orbit diameter 3.1-3.4 in HL; very broad interorbital space, 3.35-4.4 in HL; third or fourth dorsal spine longest, 3.25-3.65 in HL; caudal fin in females emarginate, in males lunate; pectoral fins slightly emarginate, 4.2-4.7 in SL; pelvic fins reaching or slightly extending posterior to origin of anal fin, 3.8-4.75 in SL. Preserved color of males pale yellowish with a slightly oblique, broad, purplish gray bar anteriorly on body, bordered by a pale bar and a narrow purplish gray bar; in females pale yellowish; base of membranes of spinous portion of dorsal fin dark brown. Color in life of males red to violet-red dorsally, grading to lavender-pink ventrally, a yellow bar beneath anterior fourth of soft portion of dorsal fin, bordered by a pale-edged bright red bar; spinous portion of dorsal fin orange-red, many yellow spots on the soft portion; caudal fin with deep red lobes; axil of pectoral fins with a bright red spot at the base and; in females light red dorsally on body with 10 darker red bars on about upper one-fourth that are narrower posteriorly; 14 orangish pink bars of unequal width on lower side of body; spinous portion of dorsal fin is bright orange-red, deep red to blackish at base except last membrane white; soft portion of dorsal fin with numerous red spots; caudal fin lobes red; base and axil of pectoral fins in a bright red spot bordered by white; juveniles has a narrow orange stripe, bordered by white, from behind eye to upper base of caudal fin, the anterior third showing paler lateral line; ventral half of body pink; spinous portion of dorsal fin red with a black spot near base of membranes, except white first and last membranes; soft portion of fin translucent with many dark reddish brown spots (Ref. 75205).

生物學特性     字彙 (例如 epibenthic)

This species is reported to be an active swimmer and occur in a small aggregation hovering a short distance above the substratum. About 6 individuals were observed to swim only 10-20 cm above the bottom and held their body at an angle with the head end upward. The type specimens were collected from the depth range of 15-45 m (Ref. 75205).

Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | | 孕卵數 | 仔魚


主要參考資料 Upload your references | 參考文獻 | 合作者 : Ho, Hsuan-Ching | 合作者

Randall, J.E., H. Senou and T. Yoshino, 2008. Three new pinguipedid fishes of the genus Parapercis from Japan. Bull. Natl. Mus. Nat. Sci. Ser. A. Suppl. 2:69-84. (Ref. 75205)

IUCN 瀕危狀態 (Ref. 120744)

  未評估 

CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

 





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Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00646 (0.00289 - 0.01442), b=3.10 (2.92 - 3.28), in cm Total Length, based on LWR estimates for this Genus-body shape (Ref. 93245).
營養階層 (Ref. 69278):  3.4   ±0.4 se; Based on size and trophs of closest relatives
回復力 (Ref. 120179):  高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
瀕危性 (Ref. 59153):  Low vulnerability (13 of 100) .