Bigfin reef squid (Sepioteuthis lessoniana) schooling, Rongelap, Marshall Islands, Micronesia, Pacific

invertebrates bigfin reef squid sepioteuthis lessoniana schooling rongelap marshall islands micronesia mollusca cephalopoda coleoidea decapodiformes sepiida sepiidae decapod invertebrate echinoderm blue water swimming day outdoors nature natural world marine life groups underwater pacific sea seas ocean oceans bigfin reef squids horizontal