Royal National Park. Royal National Park is a national park in New South Wales, Australia, located 29 km south of the Sydney CBD. It is Australia's first national park, established in 1879 as 'The National Park'.oyal National Park is a national park in New South Wales, Australia, located 29 km south of the Sydney CBD. It is Australia's first national park, established in 1879 as 'The National Park'.
The rostrum is the part of the crayfish that is located between the  eyes and the antenna. Rostrum is Latin for beak so the rostrum on  the crayfish is considered its beak â¦ . Answered.
Crayfish Appearance. The crayfish is typical of most shrimplike crustaceans and is characterised by a joined head and thorax, or midsection, and a segmented body, which is sandy yellow, green, white, pink or dark brown in colour. Crayfish are usually about 7.5 cm (3 inches) long.Among the smallest is the 2.5-centimetre-long Cambarellus diminutus of the south-eastern United States. Among the largest is Astacopsis gouldi of Tasmania; its length may reach 40 cm and its weight about 3.5 kg (8 pounds).he crayfish is typical of most shrimplike crustaceans and is characterised by a joined head and thorax, or midsection, and a segmented body, which is sandy yellow, green, white, pink or dark brown in colour. Crayfish are usually about 7.5 cm (3 inches) long.