Florideophyceae |
Gracilariales |
Gracilariaceae
Environment: milieu / climate zone / Mức độ sâu / distribution range
Sinh thái học
; Mức độ sâu 1 - 60 m (Tài liệu tham khảo 102161). Tropical
Indian Ocean: from the Arabian Sea, including the Red Sea and the Persian Gulf, south to South Africa, including Aldabra Islands, Seychelles, Reunion and Madagascar, east to Sri Lanka, including Laccadive Islands, south to Western Australia, including Andaman and Nicobar Islands; Pacific Ocean: from China to the South China Sea, south to Queensland, Australia, including Guam, Northern Mariana Islands, Federated States of Micronesia, Solomon Islands and Fiji, and east to the Hawaiian Islands.
Length at first maturity / Bộ gần gũi / Weight / Age
Chín muồi sinh dục: Lm ? range ? - ? cm Max length : 10.0 cm TL con đực/không giới tính; (Tài liệu tham khảo 83643)
Two forms are distinguished, depending on the type of habitat. In areas where the water is clear, calm, and exposed to full sunlight, the thalli are bright orange with branching dichotomous to tetrachotomous divaricate; branches distinctly divided into terete, subclavate to clavate segments, swollen at the distal end and constricted at the base. In areas where the water is turbid and the movement is moderate to strong, thalli are dark green to greenish brown, forming prostrate clumps on the substrate; branching irregularly subdichotomous to trichotomous to alternate; branches not distinctly divided into clavate segments except at the terminal portions and are shorter. Thalli up to 8 cm in height (Ref. 80758).
Used for human consumption and as a source of agar, but it contains poor quality agar; also used as manure for coconuts and cof fee bushes in Hainan, India, and Sri Lanka (Ref 80758). Attached to solid substrates such as coral fragments, shells, pebbles, stones, rocks, gravel, or mangrove roots, in clear to turbid waters. Usually found in protected portions of reef flats not exposed to the full impact of wave action (Ref. 80758).
Life cycle and mating behavior
Chín muồi sinh dục | Sự tái sinh sản | Đẻ trứng | Eggs | Sự sinh sản | Larvae
Guiry, M.D. and G.M. Guiry 2009 AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 14 April 2009. (Tài liệu tham khảo 80701)
IUCN Red List Status
(Tài liệu tham khảo 130435: Version 2025-1)
CITES status (Tài liệu tham khảo 108899)
Not Evaluated
CMS (Tài liệu tham khảo 116361)
Not Evaluated
Threat to humans
Harmless (Tài liệu tham khảo 80758)
Human uses
Các nghề cá: Tính thương mại
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Các công cụ
Thêm thông tin
Sinh thái dinh dưỡngFood items (preys)
Thành phần thức ăn
Thành phần thức ăn
Các động vật ăn mồi
Population dynamicsSự sinh trưởngMax. ages / sizesLength-weight rel.Length-length rel.Length-frequenciesMass conversionSự phong phú Life cycleSự tái sinh sản
Chín muồi sinh dục
Sự sinh sản
Đẻ trứng
Eggs
Egg development
Larvae
PhysiologyThành phần ô-xy
Human RelatedStamps, coins, misc.
Các nguồn internet
Estimates based on models
Preferred temperature
(Ref.
115969): 24.2 - 29.1, mean 28 (based on 1522 cells).
Fishing Vulnerability
Low vulnerability (10 of 100).
