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Perciformes/Serranoidei (Groupers) >
Anthiadidae (Fairy basslets or Streamer basses)
Etymology: Acanthistius: Greek, akantha = thorn + Greek, istion = sail (Ref. 45335); joanae: Named for Joan Wright.
Eponymy: Joan Wright was a research assistant of the describer, Phil Heemstra. Although he promised to name the fish after her, Joan had retired by the time he got round to doing so. (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
экология
морской; пределы глубины 23 - 140 m (Ref. 83528). Subtropical
распространение
страны | регионы FAO | Ecosystems | места находок | Point map | интродукции | Faunafri
Western Indian Ocean: South Africa.
Size / Вес / Возраст
Maturity: Lm ? range ? - ? cm
Max length : 14.0 cm SL самец/пол неопределен; (Ref. 83528)
Краткое описание
определительные ключи | морфология | морфометрия
колючие лучи спинного плавника (общее число) : 7; членистые (мягкие) лучи спинного плавника (общее число) : 14 - 16; колючие лучи анального плавника: 3; членистые (мягкие) лучи анального плавника: 7; позвонки: 26. This species is characterized by the following: distinct ctenoid scales cover the interorbital, maxilla, infraorbitals, interopercle, dorsal 4 branchiostegal rays, gular area, isthmus, chest, belly and proximal two-thirds of pectoral fin; interorbital area is slightly convex; longest dorsal fin spine equal to or longer than peduncle depth; Caudal, anal, and pelvic fins are pale (fin rays mostly reddish orange in life); a large oval, blackish brown blotch (most prominent dark mark on the head) covers most of the opercle; 17-19 pectoral-fin rays (Ref. 83528).
Life cycle and mating behavior
половая зрелость | размножение | нерест | икра | Fecundity | личинки
Heemstra, P.C., 2010. Taxonomic review of the perciform fish genus Acanthistius from the east coast of southern Africa, with description of a new species and designation of a neotype for Serranus sebastoides Castelnau, 1861. Zootaxa 2352:59-68. (Ref. 83528)
Статус Красного Списка МСОП (Ref. 130435: Version 2024-1)
Угроза для людей
Harmless
Использование человеком
дополнительная информация
инструменты
Специальные отчеты
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Estimates based on models
Preferred temperature (Ref.
123201): 13.6 - 23.9, mean 17.9 °C (based on 8 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01349 (0.00618 - 0.02945), b=3.00 (2.81 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.7 ±0.6 se; based on size and trophs of closest relatives
устойчивость к внешним воздействиям (Ref.
120179): высокий, минимальное время удвоения популяции до 15 месяцев (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
