63433 Squalus crassispinus Last, Edmunds & Yearsley, 2007 Squalidae Dogfish sharks Squaliformes Elasmobranchii Fatspine spurdog Eastern Indian Ocean: northwestern Australia; probably occurs more widely in the eastern Indian Ocean. CSIRO H 2547-06 21 s 113 e 1991 Squalus crassispinus 215 m