Hong Kong country information

Common names: Goldlined Spinefoot, 星藍子魚
Occurrence: native
Salinity: freshwater
Abundance: scarce (very unlikely) | Ref: Wilson, K.D.P., 2003
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Rare. Only a single individual was seen in a rocky reef at Tsim Chau (Ref. 128523). The species was only observed on 1 occasion during 400 dive surveys on artificial reefs (Ref. 119494). Sometimes enter brackish waters, eventually rivers and streams (Ref. 129476). Also Ref. 94637.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/hk.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Wilson, K.D.P., 2003
National Database:

Common names from other countries

Goldlined spinefoot, Sigan raies d'or, Sigano rayas doradas, ... more

Классификация / Names народные названия | синонимы | Catalog of Fishes(род, виды) | ITIS | CoL | WoRMS | Cloffa

> Acanthuriformes (Surgeonfishes) > Siganidae (Rabbitfishes)
Etymology: Siganus: Latin, siganus = a fish, rabbit fish; by the similarity of the nose (Ref. 45335).
More on author: Bloch.

Environment: milieu / climate zone / depth range / distribution range экология

морской; солоноватоводный ассоциированный с рифами; пределы глубины 0 - 25 m (Ref. 90102). Tropical; 24°C - 28°C (Ref. 27115); 30°N - 30°S

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Eastern Indian Ocean and Western Pacific: Andaman Islands, Thailand, Malaysia, Singapore, Indonesia (including Irian Jaya), Viet Nam, Ryukyus, southern and eastern China, Taiwan, South China Sea, Philippines, and Palau. Replaced by Siganus lineatus to the west, south and east of the region described by the said localities.

Length at first maturity / Size / Вес / Возраст

Maturity: L_m 18.1, range 12 - ? cm
Max length : 42.0 cm TL самец/пол неопределен; (Ref. 9710); common length : 25.0 cm TL самец/пол неопределен; (Ref. 9813)

Краткое описание определительные ключи | морфология | морфометрия

колючие лучи спинного плавника (общее число) : 13; членистые (мягкие) лучи спинного плавника (общее число) : 10; колючие лучи анального плавника: 7; членистые (мягкие) лучи анального плавника: 9; позвонки: 13. Dusky blue dorsally, silvery below; a bright yellow spot adjacent to last few rays of dorsal fin; head with lines and spots. Preopercular angle 91°-102°; strong scales fully cover the cheeks; midline of thorax scaled, not the pelvic ridges. Anterior nostril with extremely low rim, slightly expanded posteriorly. Spines stout, pungent, venomous.

Inhabits turbid inshore reefs among mangroves; tolerates or even prefers low salinities. Fry settles in seagrass beds around river mouths and adults enter and leave rivers with the tide, but also found on the drop-offs of inshore fringing reefs down to 6 m. Schools throughout life; school size for adults around 10 or 15. Feeds on benthic algae. Unlike other siganids, this species is reported to be active at night. Sold fresh in markets (Ref. 9813, 48637).

Life cycle and mating behavior Maturities | размножение | Spawnings | Egg(s) | Fecundities | личинки

Usually spawns at midnight.

Основная ссылка Upload your references | ссылки | координатор : Woodland, David J. | соавторы

Woodland, D.J., 1990. Revision of the fish family Siganidae with descriptions of two new species and comments on distribution and biology. Indo-Pac. Fish. (19):136 p. (Ref. 1419)

Статус Красного Списка МСОП (Ref. 130435)

Не вызывающий беспокойства (LC) ; Date assessed: 12 March 2015

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Угроза для людей

Venomous (Ref. 4537)

Использование человеком

рыболовство: коммерческий; аквакультура (рыбоводство): коммерческий; аквариум: коммерческий

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Estimates based on models

Preferred temperature (Ref. 115969): 25.4 - 29.3, mean 28.7 (based on 2193 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01660 (0.01304 - 0.02112), b=3.07 (3.01 - 3.13), in cm Total Length, based on LWR estimates for this species (Ref. 93245).

Trophic level (Ref. 69278): 2.7 ±0.30 se; based on food items.

устойчивость к внешним воздействиям (Ref. 120179): высокий, минимальное время удвоения популяции до 15 месяцев (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (19 of 100).

Категория цены (Ref. 80766): High.

Siganus guttatus (Bloch, 1787)