line is often induced by the mating behaviour, when the snails mount each other and the borders of their shell clash. once the shell grows again, the damaged parts stay behind in growth and an irregular shell border arises. in many occasions, the snail manages to overcome this problem (figure ), but...
home seafdec/aqd publications books nutrition in tropical aquaculture : essentials of fish nutrition, feeds, and feeding of tropical aquatic species sair home seafdec/aqd publications books nutrition in tropical aquaculture : essentials of fish nutrition, feeds, and feeding of tropical aquatic species...
cambodia in training their staff in the area of aquaculture. since establishment, the institute has educated and trained thousands of bachelors, hundreds of masters and phds. the institute has three departments, including department of freshwater aquaculture, department of brackish aquaculture, and...
species lancelets mammals molluscs reptiles sea spiders sponges starfish and other echinoderms tunicates worms plants protists species group: animals click in the column on the left to select a subcategory abyssal smooth-head abyssal spiderfish adriatic sole adriatic sturgeon aesop slipper lobster african...
seafood includes any form of food from the waters, including fish, shellfish such as mollusks and crustaceans, and even sea vegetables like seaweed and algae. in the united states, that includes freshwater. and, at seafood nutrition partnership, that definition must also take into account the sustainability...
. there are currently states which are members of the iwvc. other states and canadian provinces are expected to join. if a person's license or permit privileges which come under the scope of the iwvc are suspended or revoked in one member state, they are subject to suspension or revocation in all member...
. there are currently states which are members of the iwvc. other states and canadian provinces are expected to join. if a person's license or permit privileges which come under the scope of the iwvc are suspended or revoked in one member state, they are subject to suspension or revocation in all member...
. there are currently states which are members of the iwvc. other states and canadian provinces are expected to join. if a person's license or permit privileges which come under the scope of the iwvc are suspended or revoked in one member state, they are subject to suspension or revocation in all member...
general. more detailed links to these resources can be found within each specific category aquaculture categories: (click on the highlighted categories for more details) fish (finfish) shellfish bovalvia molluscs gastropods crustaceans seals & pinnipeds chondrichthyes, sharks & rays starfish & echinoderms...