5 Answers
Kill Steve Irwin.
11 years ago. Rating: 7 | |
Most of the time they just lay around in the mud.They can be a real nuisance when you are fishing.They pinch your bait & if you hook one you have a real fight on your hands to bring it in. They will eat anything.They are closely related to sharks but they don't bite.They will stab you with the barb at the top of their tail if you get too close.Most of the rays around here are smallish,about 12 inches across.
11 years ago. Rating: 7 | |
Stingrays are a group of rays, which are cartilaginous fishes related to sharks. They are classified in the suborder Myliobatoidei of the order Myliobatiformes, and consist of eight families: Hexatrygonidae (sixgill stingray), Plesiobatidae (deep water stingray), Urolophidae (stingarees), Urotrygonidae (round rays), Dasyatidae (whiptail stingrays), Potamotrygonidae (river stingrays), Gymnuridae (butterfly rays), and Myliobatidae (eagle rays).[1][2]
Most stingrays have one or more barbed stings (modified from dermal denticles) on the tail, which are used exclusively in self-defense. The stinger may reach a length of approximately 35 cm (14 in), and its underside has two grooves with venom glands.[3] The stinger is covered with a thin layer of skin, the integumentary sheath, in which the venom is concentrated.[4] A few members of the suborder, such as the manta rays and the porcupine ray, do not have stingers.[5]
Stingrays are common in coastal tropical and subtropical marine waters throughout the world, and also includes species found in warmer temperate oceans, such as Dasyatis thetidis, and those found in the deep ocean, such as Plesiobatis daviesi. The river stingrays, and a number of whiptail stingrays (such as the Niger stingray), are restricted to fresh water. Most myliobatoids are demersal, but some, such as the pelagic stingray and the eagle rays, are pelagic.[6]
While most stingrays are relatively widespread and not currently threatened, for several species (for example Taeniura meyeni, D. colarensis, D. garouaensis, and D. laosensis), the conservation status is more problematic, leading to them being listed as vulnerable or endangered by IUCN. The status of several other species are poorly known, leading to them being listed as Data Deficient
http://en.wikipedia.org/wiki/Stingray
link > http://animals.nationalgeographic.com/animals/fish/stingray/
11 years ago. Rating: 5 | |