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Eumunida Picta S. I. Smith, 1883, and Lophelia Pertusa (Linnaeus, 1758): A Relationship or Just Good Friends?

2008; Brill; Volume: 81; Issue: 5 Linguagem: Inglês

10.1163/156854008784092166

1568-5403

Morgan Kilgour, Thomas C. Shirley,

Marine Biology and Ecology Research

[The galatheoid, Eumunida picta, primarily has been reported from deep sea corals and methane seeps; we examined its association with the deep-sea coral, Lophelia pertusa in a non-seep habitat. We used a remotely operated vehicle (ROV) to quantify invertebrate epifauna on six shipwrecks in the Gulf of Mexico in depths of 150 to 1950 m during summer, 2004. Video transects were conducted from over the shipwrecks to 333 m away from the wrecks. Eumunida picta specimens were observed on one of the six wrecks, from 530 to 560 m depth. When present, E. picta were primarily in association with Lophelia pertusa. Eumunida picta were associated with L. pertusa in >80% of the observations and were usually within 1 m of the coral when not in direct contact. The coral may be providing an optimal feeding location for the galatheoid, refuge from predation, or some combination of those. Le Galatheoidea Eumunida picta a ete tout d'abord decouvert dans les coraux profonds et les suintements de methane; nous avons examine son association avec le corail profond, Lophelia pertusa dans un habitat non suintant. Nous avons utilise un systeme teleopere a grande profondeur (ROV, Remotely Operated Vehicle) pour quantifier l'epifaune invertebree sur six epaves de bateaux dans le golfe du Mexique a des profondeurs de 150 a 1950 m au cours de l'ete 2004. Des transects videos ont ete realises depuis les epaves jusqu'a 333 m autour de celles-ci. Des specimens d'Eumunida picta ont ete observes sur l'une des six epaves, a une profondeur de 530 a 560 m. Quand ils etaient presents, les specimens de E. picta etaient associes au Lophelia pertusa. Les Eumunida picta etaient associes a L. pertusa dans plus de 80% des observations et etaient habituellement presents dans une zone de 1 m autour des coraux quand ils n'etaient pas en contact direct. Les coraux pourraient procurer a ce Galatheoidea un excellent site pour se nourrir, un refuge face a la predation ou une combinaison des deux., The galatheoid, Eumunida picta, primarily has been reported from deep sea corals and methane seeps; we examined its association with the deep-sea coral, Lophelia pertusa in a non-seep habitat. We used a remotely operated vehicle (ROV) to quantify invertebrate epifauna on six shipwrecks in the Gulf of Mexico in depths of 150 to 1950 m during summer, 2004. Video transects were conducted from over the shipwrecks to 333 m away from the wrecks. Eumunida picta specimens were observed on one of the six wrecks, from 530 to 560 m depth. When present, E. picta were primarily in association with Lophelia pertusa. Eumunida picta were associated with L. pertusa in >80% of the observations and were usually within 1 m of the coral when not in direct contact. The coral may be providing an optimal feeding location for the galatheoid, refuge from predation, or some combination of those. Le Galatheoidea Eumunida picta a ete tout d'abord decouvert dans les coraux profonds et les suintements de methane; nous avons examine son association avec le corail profond, Lophelia pertusa dans un habitat non suintant. Nous avons utilise un systeme teleopere a grande profondeur (ROV, Remotely Operated Vehicle) pour quantifier l'epifaune invertebree sur six epaves de bateaux dans le golfe du Mexique a des profondeurs de 150 a 1950 m au cours de l'ete 2004. Des transects videos ont ete realises depuis les epaves jusqu'a 333 m autour de celles-ci. Des specimens d'Eumunida picta ont ete observes sur l'une des six epaves, a une profondeur de 530 a 560 m. Quand ils etaient presents, les specimens de E. picta etaient associes au Lophelia pertusa. Les Eumunida picta etaient associes a L. pertusa dans plus de 80% des observations et etaient habituellement presents dans une zone de 1 m autour des coraux quand ils n'etaient pas en contact direct. Les coraux pourraient procurer a ce Galatheoidea un excellent site pour se nourrir, un refuge face a la predation ou une combinaison des deux.]