Brachionichthys hirsutus, Spotted Handfish

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Brachionichthys hirsutus (Lacepède, 1804)

Spotted Handfish
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Brachionichthys hirsutus   AquaMaps   Data sources: GBIF OBIS
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Image of Brachionichthys hirsutus (Spotted Handfish)
Brachionichthys hirsutus
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分類 / Names 俗名 | 同種異名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Actinopteri > Lophiiformes (Anglerfishes) 鮟鱇目 (Anglerfishes) > Brachionichthyidae (Handfishes) 澳洲躄魚科 (Handfishes)
Etymology: Brachionichthys: Latin, bracchium = arm + Greek, ichthys = fish (Ref. 45335);  hirsutus: Name from Latin 'hirsutus' for hairy, in reference to its rough, hairy skin.(Ref. 82446).  More on author: Lacepède.

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

; 海洋 居於水底的; 非遷移的; 深度上下限 1 - 60 m (Ref. 72490), usually 5 - 15 m (Ref. 72490).   溫帶; 0°C - ; 41°S - 44°S, 147°E - 149°E

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

Southwest Pacific: Endemic to Tasmania, Australia. Has been nearly wiped out by an introduced starfish which preys on its egg clusters (Ref. 27438).
西南太平洋: 塔斯梅尼亞,澳洲的特有種。 曾經幾乎枯竭藉著捕食的一個被引入的海星,它的卵聚集.(參考文獻 27438)

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 15.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 7300)

簡短描述 型態特徵 | 形態測量圖

背的軟條 (總數): 19-21; 臀鰭軟條: 8 - 10. This species is unique in having the following set of characters: esca small, 15-26% (mean 20%) of illicium length (including esca); illicium very slender, no dermal spinules, length 19-20% SL (mean 20%), 2.3-2.4 times in head length; eye moderate, exceeding 5.4 times in head; body entirely covered with close-set, non-imbricate scales; scale bases subcircular with long unicuspid spinules (except for those closely-associated with pores of the acoustico-lateralis system); spinules originating from middle of scale base, variable in length over body; second dorsal-fin rays 17-19 (mean 18), fin base 61-64 (mean 62%) SL; first ray of first dorsal fin length 0.7-1.0 times length of longest ray of second dorsal fin; anal-fin rays 8-10; pectoral-fin rays usually 7 ; upper body usually covered with fine dark spots or short streaks (rarely with long streaks on head); caudal fin with dense coverage of fine spots, forming a dark submarginal bar in juveniles (Ref. 72490).

生物學特性     字彙 (例如 epibenthic)

Occurs in the continental shelf and inshore waters (Ref. 7300). Occurs in coarse to fine sand habitats in depths of 5-40 m (most commonly 5-10 m). Often found in shallow, shell-filled depressions or near rocks of low relief projecting from the substrate (Ref. 30684). Length only preliminary, replace with better value (RF). Egg masses contain about 80-250 eggs, about 1.8-2 mm in diameter; egg capsules about 3-4 mm diameter. Newly hatched juveniles are about 6-7 mm SL, attaining at least 9.0 cm SL (about 13.0 cm TL), with adults commonly about 6.0-7.5 cm SL (Ref. 72490).

出現於大陸棚與近岸水域。 (參考文獻 7300) 出現於粗糙的到在深度 5-40 公尺中的細砂棲息地.(最通常 5-10 公尺) 時常發現於淺灘, 滿佈貝類的凹窪或者在生淺浮雕的岩石的附近從底部伸出.(參考文獻 30684) 長度只是初步未確認的, 以更適當的值 (RF) 取代.

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

西南太平洋: 塔斯梅尼亞,澳洲的特有種。 曾經幾乎枯竭藉著捕食的一個被引入的海星,它的卵聚集.(參考文獻 27438)

主要參考資料 Upload your references | 參考文獻 | 合作者 | 合作者

Paxton, J.R., D.F. Hoese, G.R. Allen and J.E. Hanley, 1989. Pisces. Petromyzontidae to Carangidae. Zoological Catalogue of Australia, Vol. 7. Australian Government Publishing Service, Canberra, 665 p. (Ref. 7300)

IUCN 瀕危狀態 (Ref. 124695)

  極危 (CR) (B1ab(iii,v)); Date assessed: 30 April 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  無害處的





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Estimates based on models

Preferred temperature (Ref. 115969): 13.5 - 21.2, mean 15.8 °C (based on 68 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.7501   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
營養階層 (Ref. 69278):  3.3   ±0.39 se; based on food items.
回復力
瀕危性 (Ref. 59153):  Low vulnerability (10 of 100) .