Southern bluefin tuna 1 km in length to catch sardines. Bycatch mortalities of the fishery include the common dolphin ("Delphinus delphis") which is a protected species under state and federal legislation. The species is protected federally under the Environment Protection Biodiversity & Conservation Act. Tuna cages attract sharks, which are drawn to fish which sometimes die in the pens and settle in the bottoms of the floating nets. Inquisitive sharks may bite holes in nets and enter the cages or become entangled in the nets and subsequently become distressed or drown. In response, employees of tuna ranching operations will either enter the water
Delphinus Pegasus the flying horse. Delphinus lacks stars above fourth (apparent) magnitude; its brightest star is of magnitude 3.8. The main asterism in Delphinus is Job's Coffin, nearly a 45°-apex lozenge diamond of the four brightest stars: Alpha, Beta, Gamma, and Delta Delphini. Delphinus is in a rich Milky Way star field. Alpha and Beta Delphini have 19th century names Sualocin and Rotanev, read backwards: Nicolaus Venator, the Latinized name of a Palermo Observatory director, Niccolò Cacciatore (d. 1841). Alpha Delphini is a blue-white hued main sequence star of magnitude 3.8, 241 light-years from Earth. Beta Delphini, called Rotanev. The gap