nurse shark in an aquarium

animal apex aquatic atlantic behavior benthic biodiversity bottomfeeding caribbean cartilaginous cirratum coastal conservation cooperation dorsal ecosystem ecotourism efforts elasmobranch environment family fish fisheries fishing gillnets ginglymostoma ginglymostomatidae global globally habitat harmless impact indo-pacific initiatives international iucn list management marine nocturnal nurse nursery oceans overfishing pectoral preservation protection reproduction shark sharkfinning species status threatened threats underwater viviparous vulnerable wildlife