Nilnaj Chaitanawisuti, Anutr Kritsanapuntu, 1997. Laboratory spawning and juvenile rearing of the marine gastropod: Spotted Babylon, Babylonia areolata Link 1807 (Neogastropoda: Buccinidae), in Thailand. Oceanographic Literature Review. 11(44):1351
Abstract Laboratory spawning and juvenile rearing of the marine gastropod, Babylonia areolata L., is described. Adults were collected from wild stock in the inner eastern Gulf of Thailand. B. areolata laid individual, moderately transparent, vasiform egg capsules and firmly attached them to the sand substratum by a long narrow stalk. The egg capsules average 21.43 mm long and 9.57 mm wide. Each adult female spawned 47 capsules with 851 eggs per capsule. Average eggs were 425.70 μm in diameter. Embryonic development occurred inside the egg capsules for 7 days. On Day 8, larvae (720.40 μm) hatched through the apical opening of the egg capsule into water. Metamorphosis from the free swimming planktotrophic larvae to benthic juveniles took 18 days. Newly settled juveniles were 1.52 and 1.16 mm in shell length and width, respectively. The monthly average growth increments of juveniles were 4.26 per month in length and 2.28 g/mo in weight. Average survival rate was 94.08%.