732 Poisonous roe 



Poisons liberated into water (See also: Microbiological 

 681 ichthyotoxins) 



451 Pollutant content (See also: Tainted tasting flesh) 

 Pollution (See: Habitat pollution) 



Pollution abatement (See also: Waste treatment for 



716 habitat) 

 633 Polychaeta 



588 Polymorphism (See also: Population genetics) 

 582 Polyploidy 

 563 Polyspermy 



Pond fertilization and feeding (See also under Artificial 



730 rearing environments) 

 726 Pondfish productivity 

 592 Ponds 



Popular general account (book) 

 444 Popular names 

 444 Popular names by language 

 662 Population balance (See also under Population dynamics) 



Population bioenergetics (See also: Pondfish productivity, 

 667 Productivity) 



Population changes (See also: Endangered species and 

 658 under Geographic distribution) 

 660 Population density 

 662 Population diversity 

 657 Population dynamics 

 581 Population genetics 



Population size (See: Population density) 



Population structure (See also: Population genetics, and 

 657 other subjects under Population dynamics) 



Populations (See also: Artificial population manipulation, 

 Population genetics, and under Infraspecific variation 

 656 and Population dynamics) 



Porgy (See: Sparidae) 

 618 Porifera 

 738 Pounds and live cars 



Predation (See: Cannibalism. Food chains, Interspecific 

 competition, and under Feeding and Fish-to-fish 

 relationships, as well as various animal groups) 



717 Predator control 

 Predorsal bones 



Preoptic nucleus (See: Nucleus preopticus) 

 Pressure (See: Water pressure) 

 Pressure sensitive gas bladder 

 Pressure sensitivity 



Prevention of fishing (See also: Regulation of catch) 

 678 Preying on large prey 



678 Preying on small prey 

 Priapium 



Primary freshwater fish 

 588 Primitive vs advanced traits 



Productivity (See also: Hatchery productivity, Pondfish 

 714 productivity, Population bioenergetics) 

 548 Progestins 

 510 Prolactin 

 510 Prolactin cell 

 701 Prophylactic treatment 

 491 Proprioceptive senses 

 557 Protandrous hermaphroditism 



679 Protective behavior 

 449 Protein content 



577 Protein requirements 



452 Protein specificity 

 451 Protein synthesis 

 643 Protochordata 



557 Protogynous hermaphroditism 



617 Protozoa (See also: Plankton) 



704 Protozoan diseases 



544 Proximal and distal tubules 



520 Pseudobranch 



703 Pseudomonas diseases 



695 Psychedelic drug treatment 



731 Public aquarium 

 701 Pug head 



537 Pyloric caeca 



Radiation (See: Light, Radioactivity) 



Radiation techniques (See also: Radioactive ecological 

 techniques, Radioactive tracers, Xray photography) 

 451 Radioactive content 



Radioactive ecological techniques (See also: Food chains. 

 Outdoor census and sampling, Population bio- 

 746 energetics) 

 722 Radioactive pollutants 



Radioactive tracers (See also: Radioactive ecological 

 743 techniques) 

 604 Radioactivity 

 567 Rate of growth 



Raffish (See: Chimaeromorpha) 



Ray (See: Rajomorpha and subgroups) 



Rays and spines (See also: Defensive spines, Spines, and 

 Meristics, mostly of Anal fin, Caudal fin, Dorsal fin, 

 470 Pectoral fins, and Pelvic fins) 



Recognition of young (See also: Intraspecific 

 communication) 

 738 Recording cameras and TV 

 714 Recruitment 



Rectal digestion 

 542 Rectal gland 

 542 Rectum 

 480 Red muscles 



Red tide (See: Microbiological ichthyotoxins) 



Redefinition (of genera and higher categories) 



Redescription (of species) 



Reduction of range by man (See also: Endangered species, 

 655 Extinction, Habitat destruction) 

 655 Reduction of range by natural means 

 575 Regeneration 



Regional handbook 

 716 Regulation of catch (See also: Prevention of fishing) 

 520 Regulatory respiratory mechanisms 

 483 Reissner fiber SCO complex 



Rejection as food 

 705 Relations of fish and man 

 442 Relationships (phylogenetic or systematic) 



Relictism (See also: Reduction of range by natural means) 

 545 Renin (See also: Hemodynamics) 



Reproduction (See also: Breeding and rearing, and under 

 Artificial breeding environments, Life history, and 

 690 Reproductive system) 

 671 Reproductive season 



545 Reproductive system (See also: Urinogenital muscles) 

 643 Reptilia 

 592 Reservoirs (See also: Impoundment manipulation) 



Respiration chambers (See also under Metabolism 

 743 measurement) 



Respiratory system (See also: Breathing, Gas transport by 

 blood, Gill cleaning, Gill muscles, Oxygen 

 516 consumption, and under Visceral skeleton) 

 530 Reticuloendothelial system 



499 Retina 

 Retinomotor responses 



Reversal of asymmetry (See also: Dextrality or 

 444 sinistrality) 

 695 Reversal learning 



674 Rheotaxis (See also: Optomotor response) 

 469 Ribs 

 452 RNA content and function 



Rockfish (See: Scorpaenidae) 



500 Rods 



493 Rostral organ 

 535 Rostral teeth 

 446 Rostrum 

 642 Rotifera 



482 Saccus vasculosus 



493 Sagitta (See also: Otoliths) 



Salinity (See also: Anadromy, Brackish environment. 

 Catadromy, Ion and water relationships, Primary 

 freshwater fish, Water density, and under Freshwater 



606 environment and Marine environment) 



418 Salmon (See: Salmonidae) 



Poisonous roe 



to 



Salmon 



849 



