topics under Behavior in experiments. Nervous system, 

 483 and Sense organs) 



Cerebellum (See: Metencephalon) 

 625 Cestoda 

 642 Chaetognatha 



Change with age (See also: the Development of various 

 structures and functions, and especially under Growth 

 567 and Ontogeny) 



Characin (See: Characiformes and subgroups) 

 443 Check list 

 695 Chemical brain treatment 



495 Chemical senses (See also: Pheromones, Schreckstoffe) 



496 Chemical sensitivity and acuity 

 Chemosensory cells 



Chimaera (See: Chimaeromorpha) 

 519 Chloride cells (See also: Ion and water relationships) 



562 Chorion 



498 Choroid and tapetum 

 524 Choroid gland 



Choroid plexus 



Chromaffin tissue (See: Adrenal medulla) 

 741 Chromatography 



582 Chromosome number (See also: Caryotype) 

 582 Chromosomes 



Chub, freshwater (See: Cyprinidae) 



Cichlid (See: Cichlidae) 

 732 Ciguatera poisoning (See also: Poison content) 

 617Ciliata 

 668 Orcadian rhythms 



Circulatory system (See also: Blood brain barrier. Blood 



vessel muscles, Cerebrospinal fluid. Gas secreting and 



absorbing structures. Glomerulus, Heart musculature, 



Larval circulation. Pituitary blood supply, Saccus 



521 vasculosus, and under Respiratory system) 



Cisco (See: Salmonidae) 

 557 Claspers 

 679 Cleaning symbiosis 

 740 Clearing (See also: Staining) 



563 Cleavage and epiboly (See also: General embryology) 

 Climbing underwater 



587 Clinal variation 



Clingfish (See: Gobiesociformes) 

 545 Cloaca 

 697 CNS integration 



CNS structural correlates of behavior 

 717 Coarse fish control (See also: Fish control agents) 

 391 Cod (See: Gadidae) 



Coefficient of condition (See also: Weight length 

 574 relationship) 

 195 Coelacanth (See: Coelacanthini) 

 618 Coelenterata 

 545 Coelom 



Cognate species 



Cold (See: Subzero waters) 



Collecting fish (See also: Explosions underwater and 

 734 under Fishing and fisheries) 



Collection maintenance (See also: Institution, Museum) 

 465 Color change (See also: Seasonal sexual coloration) 

 465 Color variety (See also: Pet fish) 

 500 Color vision 



Coloration (See also: Larval pigmentation, Permanent 

 sexual coloration, Seasonal sexual coloration, and 

 461 under Tegumentary system) 

 704 Columnaris disease 



Commensalism (See under Fish-to-fish relationships, as 

 well as various animal groups) 



Common chemical sense 



Common names (See: Popular names) 



Communication (See: Aural signals, Color change, 

 Interspecific communication, Intraspecific 



communication. Recognition of individual fish, 

 Recognition of young, Sex recognition, Visual signals, 

 and under Social behavior) 



Community comparisons (See also under Fish 

 668 communities) 

 453 Comparative enzymology 



Compensation (See: Behavioral habituation, Effects of 

 gentling, Homeostatic mechanisms, Unilateral 

 compensation) 

 Compensation for swimming impediment 

 Comprehensive work (See also: Check list) 



746 Computer analysis 



Condition (See: Coefficient of condition) 

 694 Conditioned autonomic responses 



Conditioning (See: Training techniques) 



Conductivity of electricity (See: Passive electrical 



properties) 

 Conductivity of heat (See: Passive thermal properties) 

 500 Cones 



Conger eel (See: Congridae) 



Conservation of fish (See also: Pollution abatement. 

 Regulation of catch, and under Environment 

 719 manipulation) 

 445 Contact organs 



Continental regions (See: Africa, Australia, Central 

 America, Europe, India, Mideast, North America, 



747 North Asia, South America, South Asia) 



Control (See: Coarse fish control, Fish control agents, 

 Predator control) 



Convergence and parallelism (See also: Homology, 

 585 Natural selection) 



Copepod diseases (See also: As parasite, under Copepoda) 

 637 Copepoda (See also: Crustacea, Plankton) 



589 Coprolites 



557 Copulatory organs (See also: Mating) 



590 Coral reef 



547 Corpora lutea 



515 Corpuscles of Stannius 



Cortical hormones (See also: Aldosterone, Corticosterone, 



513 Cortisol) 



514 Corticosterone 



508 Corticotroph (See also: Adrenocorticotropic hormone) 

 514 Cortisol 



Cosmoid scales (See: Armored scales) 

 704 Costiaiasis 



691 Coughing (See: Gill cleaning) Courtship 

 488 Cranial nerves 



Crawling underwater 

 712 Creel census 

 583 Cretaceous 

 566 Critical period (See also: General embryology) 



Croaker (See: Sciaenidae) 

 580 Crossing over 



634 Crustacea (See also: Anchor worm infestation. Plankton) 

 6 1 9 Ctenophora 



Currents (See: Water movement) 

 660 Cycles of abundance 



Cyclical changes (See also: Cycles of abundance, Ovarian 

 668 cycles, Testicular cycles) 

 740 Cytochemical techniques 



Cytology (See: General cytology, and Cytology under 

 740 various structures and organs) 



504 Dahlgren cells (See also: Neurosecretion in spinal cord) 

 719 Dams and barriers (See also: Fish guidance, Fishways) 



Damselfish (See: Pomacentridae) 

 603 Darkness (See also: Light) 

 Darter (See: Percidae) 



Death (See: Fishing mortality, Hybrid inviability, Lethal 

 environmental limits, natural mortality, Winterkill, 

 Fish kill and other subjects under Habitat destruction 

 and Mass mortalities, and other subjects under 

 Pathology and parasitism) 

 639 Decapoda 



681 Deceptive actions (See also: Mimicry) 

 595 Deep scattering layer 

 Deep water collecting 

 736 Deep water observation 

 681 Defensive spines (See also: Venomous fish) 

 444 Definition of species taxon (See also: Speciation) 



548 Delayed fertilization 



Delayed hatching (See also: Development out of water) 



Delayed hatching 



841 



