Ichthyological techniques Interspecific competii 

 (continued) Maximum yield 



Clupeida 



Sardinops sagax 807528 



Engrauiidae 



Engraulis mordax 807528 



Merlucciidae 



Merluccius product us 807528 



Maximum yield 

 Population density 

 Scombridae 



Thunnus albacares 808280 



Fisheries improvement 



Artificial propagation and planting 807645 



Regulation of catch 

 Angling 

 Serranidae 



Morone saxatilis 808713 



Computer analysis 807051 



Teleostei 806162 



807840 



Scombridae 



Euthynnus pelamis 804626 



Thunnus albacares 804626 



Poeciliidae 



Poeci/ia reticulata 808928 



Gadidae 



Cadus morhua 807840 



Salmonidae 



Salvelinus fontinalis 807840 



Fishery dynamics 



Teleostei 807853 



Population size 



Experimental analysis 807359 



Radioactive ecological techniques 

 Iodine 



Salmonidae 



Salmo gairdneri 805387 



Aquatie sound techniques 



Elasmobranchii 804969 



804970 

 Teleostei 804969 



804970 

 Computer analysis 

 Infraspecific variation 

 Cyprinodontidae 



Aphanius eilensis 807301 



Homology 

 Skull 



Ostcolepidomorpha 805460 



Porolcpidomorpha 805460 



Population dynamics 



Migrations 807754 



Host parasite interactions 807754 



Population density 807353 



Length frequency 804809 



Fishery dynamics 807853 



Fossil fish techniques 803671 



807171 

 Fislulariidac 



Fistularia 804620 



Serranidae 



Acanus 804620 



Trichiuridac 



Lepidopus 804620 



Armor 



Ultraslruclure 



Cephalaspidiformes 808937 



Otoliths 



Teleostei 808318 



Oral teeth 



Elasmobranchii 808318 



746 



