Petrarctus rugosus, Hunchback locust lobster

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  Scyllaridae
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Petrarctus rugosus (Milne-Edwards, 1837)

Hunchback locust lobster

Native range | All suitable habitat | Point map | Year 2050

This map was computer-generated and has not yet been reviewed.

Petrarctus rugosus AquaMaps Data sources: GBIF OBIS

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Все изображения | Изображение на Google |

Petrarctus rugosus

Классификация / Names народные названия | синонимы | CoL | ITIS | WoRMS

Malacostraca | Decapoda | Scyllaridae

Environment: milieu / climate zone / пределы глубины / distribution range экология

; пределы глубины 20 - 200 m (ссылка 4), usually 20 - 60 m (ссылка 4). Tropical; 28°N - 21°S, 34°E - 148°E (ссылка 4)

Distribution страны | регионы FAO | Ecosystems | места находок | интродукции

Indo-West Pacific: from Red Sea, East Africa and Madagascar to Japan, Taiwan, the Philippines, Indonesia and N.E. Australia.

Length at first maturity / Size / Weight / Возраст

половая зрелость: L_m ? range ? - ? cm Max length : 2.3 cm CL самец/пол неопределен; (ссылка 89665); common length : 6.0 cm TL самец/пол неопределен; (ссылка 4); common length :6 cm TL (female)

Краткое описание морфология

The carapace has the median teeth before the crevical groove blunt and inconspicuous: the rostral tooth is reduced to a tubercle, the pregastric tooth is replaced by a double row of 1 or 2 tubercles and a few inconspicuous median tubercles. The gastric tooth is the most conspicuous, it isbroad and blunt and bears a double row of tubercles. The surface of the carapace is very uneven and the tubercles are high. Between the postrostral and branchial carinae there are a few tubercles and many smooth areas. The abdomen shows a distinct median longitudinal carina on somites 2 to 5, that of somite 3 is by far the highest, and (like the one fo somite 4) bears numerous tubercles laterally. Somite 1 is quite smooth, and has the transverse groove only slightly noticeable in the extreme lateral parts. The exposed part of the following somites show no arborescent pattern, but in each somite there is a wide transverse groove there. In somite 2, both before and behind this groove there is a perfectly smooth broad ridge, a character in which the species differs from most others. In the following somites these ridges are tuberculate. In somites 4 to 6 the posterior margin is tuberculate. The fourth antennal segment has a sharp and high oblique median carina. Outside the carina the upper surface of the segment shows a row of tubercles. The outer margin of the segment bears 4 or 5 teeth (apical tooth of the segment not included), the inner margin has 5 to 7 teeth of irregular size. The anterior margin of the thoracic sternum is deeply U-shapedly incised. Each of the thoracic sternites bears a rounded median tubercle. The dactyli of pereiopods 3 to 5 show two short fringes of hair each. Colour: the dorsal surface of the body is greyish or purplish brown with darker spots. The distal segment of the antenna is often lighter. The first abdominal somite shows dorsally often a dark blue colour (Ref. 252).

It has lengths of 2.5 to 6 cm (males and females) and 3 to 6 cm (ovigerous females), total body length; 0.8 to 2.1 cm (males), 0.8 to 2.2 cm (females) and 1 to 2.2 cm (ovigerous females), carapace length (Ref. 4). Inhabits depths from 20 to 60 m, rarely reported from 100 to 200 m with a bottom usually sand and mud, sometimes with coral, shelly grit or rubble (Ref. 4).

Life cycle and mating behavior половая зрелость | размножение | нерест | Eggs | Fecundity | Larvae

Members of the order Decapoda are mostly gonochoric. Mating behavior: Precopulatory courtship ritual is common (through olfactory and tactile cues); usually indirect sperm transfer.

Основная ссылка ссылки | координатор | соавторы

Holthuis, L.B. 1991. (ссылка 4)

Статус Красного Списка МСОП (ссылка 130435: Version 2024-2)

Не вызывающий беспокойства (LC) ; Date assessed: 03 December 2009

Статус СИТЕС (ссылка 108899)

Not Evaluated

CMS (ссылка 116361)

Not Evaluated

Угроза для людей

Использование человеком

рыболовство: интереса не представляет
| FishSource |

инструменты

E-book | полевой определитель

дополнительная информация

Trophic Ecology

пищевые объекты
состав пищи
потребление пищи
Food rations
хищники

экология

Population dynamics

рост
Max. ages / sizes
Length-weight rel.
Length-length rel.
Размерный состав
Mass conversion
пополнение
численность

Life cycle

размножение
половая зрелость
Fecundity
нерест
Eggs
Развитие икры
Larvae
динамика численности личинок

Distribution

страны
регионы FAO
Ecosystems
места находок
интродукции

Human Related

Aquaculture profiles
Stamps, coins, misc.

Outreach

соавторы

Taxonomy

народные названия
синонимы
морфология
изображения

ссылки

ресурсы в Интернет

Estimates based on models

Preferred temperature (Ref. 115969): 26.1 - 29.1, mean 28.1 (based on 1446 cells).

Уязвимость (ссылка 71543): Low vulnerability (10 of 100).

Категория цены (ссылка 80766): Very high.

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