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Lethrinus genivittatus Valenciennes, 1830

Longspine emperor
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Lethrinus genivittatus   AquaMaps   Data sources: GBIF OBIS
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分類 / Names 共通名の | 類義語 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

条鰭類 > Perciformes (Perch-likes) > Lethrinidae (Emperors or scavengers) > Lethrininae
Etymology: Lethrinus: Greek, lethrinia, a fish pertaining to genus Pagellus.  More on author: Valenciennes.

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

; 海; 汽水性の 関連する礁; 移住性ではない; 深さの範囲 5 - 25 m (Ref. 1602).   Tropical; 35°N - 30°S

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Indo-West Pacific: Indonesia (including eastern Indian Ocean side), northwestern Australia, Philippines, southern Japan, Papua New Guinea and the Caroline Islands. This species has long been recognized as Lethrinus nematacanthus and the name Lethrinus genivittatus misassociated with many other species.

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 25.0 cm TL オス/雌雄の選別がない; (Ref. 2295); common length : 15.0 cm TL オス/雌雄の選別がない; (Ref. 2295); 最大記録サイズ: 7 年 (Ref. 2290)

簡単な記述 形態学 | 形態計測学

背面の脊椎 (合計): 10; 背鰭 (合計): 9; 肛門の骨 3; 臀鰭: 8. The only Lethrinus with its 2nd dorsal spine the longest. The inner surface of the pectoral fin may be scaleless, partially covered with scales or densely covered with scales. Body color is tan or brown on the upper sides, white on the lower sides, with three tan or brown stripes. The sides often have scattered irregular black oblique bars and a square black blotch above the pectoral fin and bordering below the lateral line. The head is brown or tan sometimes with several broad, somewhat indistinct vertical and oblique bands (these bands are sometimes composed of fine reticulations). The fins are pale, speckled with small white blotches.

生物学     用語集 (例 epibenthic)

Solitary or in groups (Ref. 90102). Occurs over shallow sandy and seagrass beds, in mangrove swamps, lagoons, channels and outer reef slopes. May enter rivers. Feeds on crustaceans and small fishes. A protogynous hermaphrodite (Ref. 55367). A protracted spawning peak from July to December is recorded in New Caledonia. Smaller and more numerous females than males have been confirmed in Australian populations. Marketed fresh (Ref. 9775).

Life cycle and mating behavior 成熟 | 繁殖 | 放精 | | 生産力 | 幼生

A monandric species (Ref. 55367). Length at sex change = 18.0 cm TL (Ref. 55367). Also Ref. 103751.

主な参考文献 Upload your references | 参考文献 | コーディネーター | 協力者

Carpenter, K.E. and G.R. Allen, 1989. FAO Species Catalogue. Vol. 9. Emperor fishes and large-eye breams of the world (family Lethrinidae). An annotated and illustrated catalogue of lethrinid species known to date. FAO Fish. Synop. 125(9):118 p. Rome: FAO. (Ref. 2295)

IUCNのレッドリストの状況は (Ref. 120744)

  軽度懸念 (LC) ; Date assessed: 04 February 2009

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless





Human uses

水産業: 少数商業の
FAO(Publication : search) | FishSource |

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インターネットの情報源

Estimates of some properties based on models

Preferred temperature (Ref. 115969): 24.7 - 29.3, mean 28.4 (based on 2863 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01318 (0.00846 - 0.02055), b=2.98 (2.85 - 3.11), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
栄養段階 (Ref. 69278):  3.7   ±0.0 se; Based on diet studies.
回復力 (Ref. 69278):  手段, 1.4年~4.4年の倍増期間の最小個体群 (tmax=7; K=0.86).
弱み (Ref. 59153):  Low vulnerability (17 of 100) .
価格帯 (Ref. 80766):   Very high.