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Близкие виды
- Chaceon quinquedens
- Вид в
Chaceon - Вид в
Geryonidae - - Классификация -
- Geryonidae
- Decapoda
- Malacostraca
- Chordata
- Animalia
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Chaceon ramosae Manning, Tavares & Albuquerque, 1989
Royal crab| Native range | All suitable habitat | Point map | Year 2050 |
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| This map was computer-generated and has not yet been reviewed. |
| Chaceon ramosae AquaMaps Data sources: GBIF OBIS |
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Изображение на Google |
No image available for this species;
drawing shows typical species in Geryonidae.
Изображение на Google |
drawing shows typical species in Geryonidae.
Классификация / Names народные названия | синонимы | CoL | ITIS | WoRMS
Malacostraca | Decapoda | Geryonidae
Environment: milieu / climate zone / пределы глубины / distribution range экология
; пределы глубины 601 - 1228 m (ссылка 105069). Subtropical; 21°S - 35°S, 52°W - 39°W (ссылка 105421)
Distribution страны | регионы FAO | Ecosystems | места находок | интродукции
Southwest Atlantic: Brazil, from Rio de Janeiro to Rio Grande do Sul.
Length at first maturity / Size / Weight / Возраст
половая зрелость: Lm ? range ? - ? cm Max length : 15.8 cm CW самец/пол неопределен; (ссылка 105069)
Краткое описание морфология
A large Chaceon, CL to 143 mm, CW to 158 mm in adults, with 5 anterolateral teeth on the carapace and dorsoventrally depressed dactyli on the walking legs. Carapace 1.1 to 1.2 times broader than long. Median pair of frontal teeth separated by U-shaped sinus. Distance between submedian frontal teeth less than distance between them and lateral frontal teeth. Second, third, and fourth anterolateral teeth obsolete in adults, second and fourth smallest of all; distance from first to third tooth less than that from third to fifth tooth. Carapace with distinct raised ridge mesial to fifth anterolateral tooth, carapace surface finely granular, especially posterolaterally, smooth only at hepatic regions. Suborbital tooth short and broad in adults, not extending to level of lateral frontal teeth. Cheliped merus with sharp tooth subdistally, lacking distal tooth or angled lobe; carpus roughened dorsally, usually with irregular, curved granular ridge extending from middle of proximal margin to inner spine, anterior margin of carpus with at most an angled lobe but no spine; propodus with at most distal angled projection dorsally. Meri of walking legs with at most indistinct distal, dorsal tooth. Dactyli of walking legs depressed, height at midlength less than width. Fifth leg: merus usually less than 5.0 times (range 4.6-4.9 in adults, 6.4 in juvenile male) times longer than high, length 0.65 to 0.66 cb in adult; carpus with line of sharp granules dorsally; propodus length 4.1 to 4.3 times height in adult, 5.1 times height in juvenile, longer than dactylus.
Deep-water species (Ref. 105069). Epibenthonic. Found on muddy and muddy-sandy bottoms. Scavenger and predator; likely to be an opportunistic carnivore (Ref. 104380).
Life cycle and mating behavior половая зрелость | размножение | нерест | Eggs | Fecundity | Larvae
Основная ссылка
ссылки | координатор | соавторы
Manning, R.B., M.S. Tavares and E.F. Albuquerque 1989 Chaceon ramosae, a new deep-water crab from Brazil (Crustacea: Decapoda: Geryonidae). Proc. Biol. Soc. Wash 102(3):646-650. (ссылка 105069)
Статус Красного Списка МСОП
(ссылка 130435: Version 2025-1)
Статус СИТЕС (ссылка 108899)
Not Evaluated
CMS (ссылка 116361)
Not Evaluated
Угроза для людей
Harmless
Использование человеком
рыболовство: коммерческий
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инструменты
дополнительная информация
Trophic Ecology
экология
Population dynamics
рост
Max. ages / sizes
Length-weight rel.
Length-length rel.
Размерный состав
Mass conversion
численность
Max. ages / sizes
Length-weight rel.
Length-length rel.
Размерный состав
Mass conversion
численность
Life cycle
размножение
половая зрелость
Fecundity
нерест
Eggs
Развитие икры
Larvae
половая зрелость
Fecundity
нерест
Eggs
Развитие икры
Larvae
Distribution
Physiology
Oxygen consumption
Human Related
Stamps, coins, misc.
Outreach
ссылки
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