41. They are pelagic opisthobranchs in the clade Gymnosomata within the larger clade Heterobranchia. 42. Their descendants also included pelagic lobe-finned fish such as coelacanth species. 43. Pelagic cnidarians have nematocysts that eject a tightly coiled venomous thread very rapidly.44. Many large pelagic fish are oceanic nomadic species which undertake long offshore migrations. 45. Before FADs, pelagic purse seiners targeted free-swimming schools of tuna. 46. It is a pelagic fish that can be found at depths of from. 47. It is common in mid-water pelagic fish and invertebrates especially squid. 48. Reproduction is oviparous, with pelagic eggs and larvae. 49. The pelagic stingray typically grows to long and across. 50. Pelagic species such as Tuna, jacks and Barracudas.
