The word 'their' is not a noun. The word 'their' is a pronoun, a possessive adjective. The pronoun their takes the place of a plural noun (or two or more nouns) that describes â¦ something as belonging to that noun(s).
This species can reach a length of 11 centimetres (4.3 in) TL. This species is sometimes kept in public aquariums. The sand goby is of a sandy colour, with darker markings on the sides and a creamy-white underside. In the breeding season the male fish has blue spot at the rear of the first dorsal fin, ringed with white.The fish has a slender body, and the head is about a quarter of the total length.his species can reach a length of 11 centimetres (4.3 in) TL. This species is sometimes kept in public aquariums. The sand goby is of a sandy colour, with darker markings on the sides and a creamy-white underside. In the breeding season the male fish has blue spot at the rear of the first dorsal fin, ringed with white.
Sand Sifting Gobies/Blennies. Okay I need help. This time around I want to do my reef right and I want a number of sand sifters to take care of the sand. I just started doing a little bt of research tonight. So far I've found these 3 broad catagories of Sand Sifting Gobies.