Trematoda |
Plagiorchiida |
Hemiuridae
Environment: milieu / climate zone / пределы глубины / distribution range
экология
пелагический. Tropical
Western Central Atlantic: Puerto Rico, Jamaica, Curacao and USA.
Length at first maturity / Size / Weight / Возраст
половая зрелость: Lm ? range ? - ? cm Max length : 0.1 cm TL самец/пол неопределен; (ссылка 359)
A microscopic to minuscule; elongate fluke with the body either bulging around the ventral sucker or with the ventral sucker on a projection off the body. Oral and ventral suckers: Moderately (approximately I ventral sucker diameter) separated. Short tail: Usually withdrawn into the body. Oral sucker: More than 1/3 and less than 1/2 the diameter of the ventral sucker. Vitellaria: reduced to 2 compact; lobate masses just posterior of the ovary; and the testes are one in front of the other with the anterior one partially underneath the ventral sucker (Ref. 359). Overstreet found the tail may be extended or not, with the ceca extending into the tail or not; the testes may be in contact or separated; the sizes of the oral sucker and ventral sucker and ratios of these sizes varied; sizes of the eggs varied; the small size of this worm, pre-acetabular pit, weakly-developed cirrus sac and low number of post ovarian coils of the uterus, were consistent characters that allowed this worm to be identified (Ref. 411).
Length : 0.05 to 0.12 cm. Associations: The fluke, Lecithochirium texanum, occurred with this worm in a little tunny examined in the Dry Tortugas. Host Specificity: This worm appears to have little host preference (Ref. 359).
Life cycle and mating behavior
половая зрелость | размножение | нерест | Eggs | Fecundity | Larvae
Members of the class Trematoda are parasitic, thus requires a host to survive. Life cycle: Eggs are passed on to the feces of the hosts. Embryos hatch into miracidia and penetrate the tissues of snails where they further undergo three stages: sporocysts
Основная ссылка
ссылки | координатор | соавторы
Williams, E.H. Jr. and L. Bunkley-Williams 1996 Parasites of offshore big game fishes of Puerto Rico and the Western Atlantic. Puerto Rico Department of Natural and Environment Resources, San Juan, PR, and the University of Puerto Rico, Mayaguez, PR, 382 p. 320 drawings. (ссылка 359)
Статус Красного Списка МСОП
(ссылка 130435: Version 2025-1)
Статус СИТЕС (ссылка 108899)
Not Evaluated
CMS (ссылка 116361)
Not Evaluated
Угроза для людей
Использование человеком
| FishSource |
инструменты
дополнительная информация
Trophic EcologyFood items (preys)
состав пищи
потребление пищи
хищники
Population dynamicsрост
Max. ages / sizes
Length-weight rel.
Length-length rel.
Размерный состав
Mass conversion
численность
Life cycleразмножениеполовая зрелостьFecundityнерестEggsРазвитие икрыLarvae PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
ресурсы в Интернет
Estimates based on models
Fishing Vulnerability
Low vulnerability (10 of 100).
Категория цены
Unknown.
