Diagnostic Description
provided by Fishbase
Variable but usually two large black spots are obvious; body diameter to about 14 mm (Ref. 48635). Anterior nostrils included in continuous free labial flange. Pectoral fins minute. Total vertebrae 163-177, anal origin below vertebra 59-66.Description: Characterized by whitish color; densely covered with small black spots; with a pair of large black patches on front of body, surrounding gill opening and anus; origin of dorsal fin slightly anterior to gill opening; predorsal length 12.1-14.5% of preanal length; preanal length 38.0-41.4% of TL; depth of body at gill opening 30.3-36.0% of head length (Ref. 90102).
- Recorder
- Cristina V. Garilao
Morphology
provided by Fishbase
Dorsal spines (total): 0; Dorsal soft rays (total): 449 - 540; Analspines: 0; Analsoft rays: 273 - 334; Vertebrae: 163 - 177
- Recorder
- Cristina V. Garilao
Trophic Strategy
provided by Fishbase
A burrowing species in the inshore waters (Ref. 75154).
- Recorder
- Auda Kareen Ortañez
Biology
provided by Fishbase
Often found on sandy slopes below 15 m; withdraws into its burrow when approached. Usually in colonies containing up to several hundred individuals. Feeds on zooplanktons (Ref. 89972).
- Recorder
- Estelita Emily Capuli
Importance
provided by Fishbase
aquarium: commercial
- Recorder
- Estelita Emily Capuli
分布
provided by The Fish Database of Taiwan
分布於印度-西太平洋海域。臺灣海域目前出現在南部、綠島及南沙海域。
利用
provided by The Fish Database of Taiwan
量少；具潛水觀光觀賞價值。
描述
provided by The Fish Database of Taiwan
身體極度延長呈細圓柱狀，尾部側扁，頭部及身體呈淡褐色，全身佈滿暗褐色細點，具3個大而明顯的暗色點，分別位於胸鰭、瀉殖孔及前兩者之中點，全長為鰓孔位體高及肛門位體高之54.3-87.6及73.2-84.1倍；肛門約位於全長前1/3處，肛門前長佔全長的28-36
%；尾長適度延長，其長度約為肛門前長的1.5-1.8倍；尾端較硬，不易彎折，尾部末端鰭條極度退化，肉眼幾乎無法看見；背鰭起點略前於胸鰭基部；奇鰭幾乎為透明且不具任何斑點，鰭條不分節；胸鰭退化為圓形、暗色，位於體高中點；鰓孔小；全長為頭長之17.6-22.6倍，吻端短呈圓鈍狀，口裂上傾，末端約位於眼睛前緣下方，下顎略長於上顎，吻長小於眼直徑，吻長為眼直徑之0.8倍；眼睛大，約占頭長的13
%；嘴唇發達，具上、下反摺之游離唇瓣；前鼻孔為短管狀，鑲嵌於上唇前端，後鼻孔為橢圓形。上眼窩有4個感覺孔，下眼窩有5個感覺孔，顳骨接合處有5個感覺孔；肛門前背鰭鰭條數為232；背鰭前側線孔數5，胸鰭前側線孔數6，肛門前側線孔數65；背鰭前脊椎骨數5，肛門前脊椎骨數65，血管閉合處前脊椎骨數77，總脊椎骨數178。可於販賣海水魚的水族店可購買到此物種，來源大部分為國外進口。由於其特殊的生態習性，水族產業可能有貿易行為而建議保育。
棲地
provided by The Fish Database of Taiwan
棲息於珊瑚礁沙質底海域，會利用尖且較硬的尾部鑽沙，將身體埋在沙洞中，露出頭部及一小部分身體隨海流晃動，主要攝食小型浮游生物，通常為獨居性群體生活。
Taenioconger hassi
provided by wikipedia EN
The spotted garden eel (Heteroconger hassi) is a heteroconger belonging to the family Congridae. It is native to the Indo-Pacific.
Description
The spotted garden eel is a small fish that can reach a maximum length of 40 centimetres (16 in; 1.3 ft). Its body is anguiform (eel-like): long, thin, with a circular cross-section (14 millimetres (0.55 in) in average diameter) and a head of the same diameter as the body. The head appears shortened because the large mouth is close to the also large eyes. Nostrils are small and positioned in the center of the upper lip.
The body is white and covered with many small black spots. The spotted garden eel has three larger distinctive black spots; the first identifies the gills opening and the position of the tiny pectoral fins, the second is located in the central part of the body and the third one surrounds the anus. Juveniles have a very thin black body.[3]
Distribution and habitat
The spotted garden eel is widespread throughout the tropical and subtropical waters of the Indo-Pacific from the eastern coasts of Africa including the Red Sea to Polynesia, and south from Japan to New Caledonia.[4]
It lives exclusively in variously sized colonies on sandy bottoms that are exposed to currents, at depths from 15 to 45 meters.[5] It digs a burrow from which emerges about a third of its body pointing their mouths towards the underwater current to catch drifting food.[6]
Biology
As in other heteroconger species, individuals rarely leave their burrow once it is finished, but will move burrows closer together during breeding season until contact between partners is possible. Fertilized eggs and juveniles have a planktonic period before reaching sufficient size to start living in the substrate.[3]
References
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^ Tighe, K.; Smith, D.G.; McCosker, J. (2019). "Heteroconger hassi". IUCN Red List of Threatened Species. 2019: e.T198985A2546860. doi:10.2305/IUCN.UK.2019-1.RLTS.T198985A2546860.en. Retrieved 20 November 2021.
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^ "Heteroconger hassi". WoRMS. World Register of Marine Species. Retrieved 2018-12-18.
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^ a b Castle, P.H.J.; Randall, J.E. (1999). "Revision of Indo-Pacific garden eels (Congridae: Heterocongrinae), with descriptions of five new species". Indo-Pac. Fish. 30.
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^ Lieske, E.; Myers, R. (2009). Coral reef fishes. Princeton University Press. ISBN 9780691089959.
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^ "Spotted Garden Eel, Heteroconger hassi".
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^ Allen, G.R.; Erdmann, M.V. (2012). Reef fishes of the East Indies. Tropical Reef Research. Vol. I–III. Perth, Australia: University of Hawai'i Press.
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Taenioconger hassi: Brief Summary
provided by wikipedia EN
The spotted garden eel (Heteroconger hassi) is a heteroconger belonging to the family Congridae. It is native to the Indo-Pacific.
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- cc-by-sa-3.0
- copyright
- Wikipedia authors and editors
