AllfishesDictionary of Ichthyology
758 terms and articles.
A
- A flock and a herd
- Abdominal pores
- Abdominal position of the fins
- Abiotic
- Abiotic environmental factors
- Absolute abundance
- Absolute conversion rate of food
- Absolute fecundity
- Abyssal fish
- Abyssal zone
- Abyssocottinae
- Abyssopelagic
- Achelata
- Actinopterygii
- Adaptation
- Additional fins
- Additional fish
- Adipose fin
- Aedificator species
- Age composition
- Age group
- Age structure
- Algaculture
- Algae (Algac)
- Allopatric species
- Alosa saposchnikowii, Alosa caspi, Alosa sphaerocephala
- Amiidae
- Amphipoda
- Anabantidae
- Anarhichadidae
- Animal-eating fish
- Annual Ring
- Antennae
- Aphotic zone
- Aquaculture
- Aquifer
- Armed Fish
- Artificial selection
- Aspius aspius
- Atlantic cod
- Atlantic halibut
- Atlantic herring Clupea harengus harengus (Linnaeus, 1758).
- Atlantic salmon
- Autochthonous
- Autochthonous drautogenic
- Autotroph
- Availability of fish
- Average depth
B
- Backwater
- Baer's Law
- Bagridae
- Balitoridae
- Ballerus ballerus
- Bar
- Barbatula
- Bastard sturgeon
- Bathibyonts
- Bathyal
- Batigraphic curve
- Batipelagial
- Batometer
- Batomorphi
- Bay
- Bend
- Benthal
- Benthic fish
- Benthos
- Bentophages
- Bester
- Bighead carp
- Bile
- Biocenology
- Biocenosis
- Biodiagnostics
- Biodiversity
- Biogenic elements
- Biogeocenosis
- Bioindicators
- Biological justification for the introduction of acclimatization objects
- Biological oxygen consumption
- Biological productivity of the reservoir
- Biological reclamation of water bodies
- Biological survival
- Biological water treatment
- Bioluminescence
- Biomanipulation
- Biomass
- Bionics
- Biopurification of water
- Biostock
- Biota
- Biotesting
- Biotic factors
- Biotope
- Biotype
- Bipolar species
- Biserial fin
- Bjef
- Black carp
- Blicca bjoerkna
- Blocking
- Body length is absolute
- Body temperature of fish
- Bonification reservoir
- Bony scales
- Boreal region
- Boreogadus saida
- Botal network
- Botalo
- Botany
- Bottom fish
- Bottom sampler
- Botulism
- Brackish-water fishes
- Brain
- Branchial arch
- Branching Rays
- Bream
- Broad whitefish
- Brown trout
- Bugs
C
- Cannibalism
- Capelin
- Carangidae
- Caring for offspring
- Casting seine
- Catadromous migrations
- Catchment area
- Catostomidae
- Caudal division
- Caudal fin
- Caviar
- Caviar resorption
- Channa argus
- Channichthyidae
- Channidae
- Chimaeridae
- Chinook salmon
- Chionophile
- Chironomidae
- Choana
- Chondrichthyes
- Chondrostei
- Chromatophores
- Chum salmon
- Ciguatera fish poisoning
- Ciliophora
- Circulatory system
- Cloaca
- Clupea
- Clupeidae
- Clupeonella
- Coastal fish
- Cobitidae
- Coho salmon
- Cold-loving fish
- Comephoridae
- Common bleak
- Common nase
- Common roach
- Consumers
- Consumption index
- Contagious diseases of fish
- Copepoda
- Coral fish
- Coregonidae
- Coregonus lavaretus
- Coregonus tugun
- Corium
- Cosmoid scale
- Cosmopolitans
- Cottidae
- Counternatant migrations
- Crabs
- Craniumless (Acrama)
- Crossbreeding
- Crossopterygii
- Crucian carp
- Crustaceans
- Cryobionts
- Ctenoid scales
- Cycloid scales
- Cyclopteridae
- Cyclostomata
- Cyprinidae
- Cyst
D
- Daily rhythm of life
- Dalliidae
- Danube bleak
- Daphnia
- Death of fish
- Degeneration of fish eggs
- Degree day
- Delta
- Denatant migration
- Denitrification
- Dentin
- Derma
- Detritivore
- Detritus
- Dew
- Diet
- Digestive system
- Diphycercal caudal fin
- Diphyllobothriasis
- Diplostraca (Cladocera)
- Dipnoi
- Diptychus
- Disinfection
- Distribution
- Dominant species
- Donka
- Doppelganger species
- Dorsal fin
- Dorsoventral flat
- Dragnet
- Drift nets
- Dying pond
- Dystrophy in fish
E
- Echinodermata
- Economic zone
- Egg
- Ejaculate
- Electrical organs
- Eleginus nawaga
- Eleotridae
- Embolism
- Embryo
- Endangered species
- Endemics
- Endocrine system
- Endogenous nutrition
- Environmental valence
- Epibate type
- Epibenthos
- Epibranchial organ
- Epipelagial
- Epizootiology
- Esocidae
- Eurasian carp
- European perch
- Eurybate animals
- Eurybiont organisms
- Euryhaline fish
- Eurynonic fish
- Euryphagy
- Eurythermal fish
- Eurytopic fish
- Euryxybiont fish
- Eutrophication
- Excretory organs
- Exogenous nutrition
- Exometabolites
- External gills
- Eyelids
- Eyes
F
- Fall spawning fish
- Fat content of fish
- Fauna
- Fecundity
- Fertile individual
- Fertility
- Filling with fish
- Fins
- Fish adaptation
- Fish behavior
- Fish biolocation
- Fish body length
- Fish body shape
- Fish colony
- Fish feeding
- Fish head
- Fish life cycle
- Fish metamerism
- Fish mortality
- Fish numbers dynamics
- Fish sexual maturity
- Fish stock
- Fish survival rate
- Fish taste organs
- Fishing rope
- Fishing sinker
- Flatworm
- Flying fishes
- Food availability
- Forced food
- Free embryo
- Freshwater fish
- Fulcra
G
- Gadidae
- Gambusia (Gambusia affinis)
- Ganoid scale
- Gender reversal
- Gene pool
- Genipores
- Genital opening
- Genotype
- Genus
- Geographic race
- Geothermal waters
- Gill cover
- Gill interspace
- Gill membrane
- Gill petals
- Gill rays
- Gill slit
- Gill stamens
- Gillnetting
- Gills
- Glochidium
- Goatfishes
- Goby (Gobiidae)
- Gonad maturity index
- Goosefish
- Granular caviar
- Groundwater
- Growing season
- Growth
- Guanine
- Gudgeon
- Gymnocephalus
- Gynogenesis
- Gyttja
H
- Habitat
- Halfbeak
- Halobionts
- Halophilic fish
- Hatching fish embryos
- Hearing and balance organ
- Heart
- Helminthiasis
- Helminths
- Herbicides
- Herbivorous fish
- Hermaphrodite
- Hermaphroditism
- Heterocercal caudal fin
- Heterodonticity
- Hexagrammidae
- Hibernation
- Hierarchical classification
- Higher crayfish (Malacostraca)
- Holostei
- Hucho taimen
- Humic substance
- Humified pond
- Hybrid
- Hybridization of fish
- Hydrobiology
- Hydrobionts
- Hydrochemistry
- Hydrogen Index (pH)
- Hydrographic network
- Hydrology
- Hydroponics
- Hydrosphere
- Hydrothermal vent
- Hyostylia
- Hypertensives
- Hypobate type of tail fin
- Hypolimnion
- Hypotonics
I
- Ichthyocenosis
- Ichthyocides
- Ichthyofauna
- Ichthyologist
- Ichthyology
- Ichthyopathology
- Ichthyophthyriosis
- Ichthyoplankton
- Ichthyotoxins
- Ide
- Illicium
- Immigrants
- Inbreeding
- Incubation apparatuses
- Incubation of eggs
- Incubation period
- Individual
- Individual absolute fecundity
- Inner fat of fish
- Intensity of nutrition
- Intestinal respiration
- Intoxication of fish
- Intraspecific competition
- Intraspecific groupings
- Introduction
- Invasion
- Invasive diseases
- Invertebrate drift
- Invertebrates (Invertebrata)
- Iridocytes
- Iris
- Irrigation fish farming
- Isobate type of caudal fin
- Isobath
J
K
L
M
- Macrobenthos
- Macroplankton
- Mariculture
- Marine fish
- Marital changes
- Marlin
- Mating games
- Mating outfit of pisces
- Mating rash
- Maximum depth
- Megaloplankton
- Meiobenthos
- Melanophores
- Mesopelagial
- Mesoplankton
- Mesosaprobic organisms
- Mesosaprobic pond
- Metamorphosis
- Microbenthos
- Microplankton
- Migrations
- Milt
- Molidae
- Mollusca
- Monophage
- Monotypic species
- Moray eel
- Morphoedaphic Index (MEI)
- Mouth
- Moving in
- Mud flat
- Mugilidae
- Muksun
- Muscular system
- Myomeres
N
O
- Octopus
- Olfactory organs
- Oligochaeta
- Oligosaprobes
- Oligosaprobic pond
- Omnivorous fish
- Omul
- Oncorhynchus masou
- One-time spawning
- Ontogeny
- Open-bellied fishes
- Ophidiiformes
- Organs of electrical perception
- Organs of touch
- Organs of vision
- Osmoregulation
- Osteichthyes
- Ovaries
- Overgrowth
- Overripe caviar
- Overwintering of fish
- Ovipositor
- Ovoviviparity
- Ovulation
- Oxyphilous
P
- Pacific saury
- Paddlefish (Polyodontidae)
- Pancreas
- Panmixia
- Parthenogenesis
- Passage fish
- Pearl rash
- Pectoral fins
- Pelagial
- Pelagic fishes
- Pelagophiles
- Pelecus cultratus
- Peled
- Pelvic fins
- Percidae
- Periphyton
- Perivitelline space
- Persistent
- Pests and enemies
- Petromyzontidae
- Pharyngeal teeth
- Phenodeviants
- Phenotype
- Pheromone
- Photophores
- Physolisti
- Phytophiles
- Phytoplankton
- Pisciforma
- Pituitary gland
- Pituitary injections
- Placoid scales
- Plankton
- Planktophagous
- Platybasal skull
- Pleuronectidae
- Pleuston
- Poaching
- Poikiloosmic
- Poisonous fish
- Pollachius virens
- Pollock
- Pollution of the reservoir
- Polychaeta
- Polygamy
- Polypteridae
- Polysaprobes
- Polysaprobic pond
- Polytypic species
- Population
- Population dynamics
- Porcine spawning
- Porcupinefish
- Predatory fish
- Pressed caviar
- Protandry
- Proteins
- Protocercal caudal fin
- Protogyny
- Protozoa
- Psammophiles
- Pterygopodium
- Pungitius pungitius
- Pyloric appendages
R
- Race
- Rare species
- Red king crab
- Redfin
- Regeneration
- Relict species (relicts)
- Remora
- Reproduction
- Reserve
- Reservoir
- Residential fish
- Resistance of the organism
- Respiratory organs
- Retractable mouth
- Rheobiont
- Rheophilic organisms
- Rheotaxis
- River basin
- River crayfish
- River eels
- River fish
- River length
- Rostrum
- Russian sturgeon
S
- Salmonidae
- Salvelinus
- Salvelinus leucomaenis
- Saprobicity
- Sapropel
- Sarcopterygii
- Sardine
- Sardinella
- Scales
- Scaphirhynchus
- Schizothorax
- Scomberesocidae
- Scombridae
- Scorpaenidae
- Secchi disk
- Secondary products
- Secondary successions
- Selectivity index
- Selectivity of fish nutrition
- Selectivity of fishing gear
- Self-regulation
- Semi-passable fish
- Serranidae
- Serrasalmidae
- Seston
- Sexual dimorphism
- Sexual opening
- Sexual system
- Shelf
- Shell glands
- Shoreline
- Shrimp
- Siltation of the reservoir
- Siluridae
- Silver carp
- Sirton
- Skeleton
- Skin of fish
- Skin respiration
- Sludge
- Smelt
- Smoltification
- Snout
- Sockeye salmon
- Sonar
- Source
- Space behind the eyes
- Sparidae
- Spawning
- Spawning season
- Species (biological)
- Species composition
- Species diversity index
- Species endemic
- Species fecundity
- Species-indicators
- Sperm
- Spermatophores
- Spillways
- Spined loach
- Spiral valve
- Sprattus
- Spring homothermia
- Spring spawning fish
- Sprinkler (spiraculum)
- Squalius cephalus
- Squid
- Starry sturgeon
- Stenobate organisms
- Stenobionts
- Stenogaline animals
- Stenoion fish
- Stenooxybionts
- Stenophages
- Stenothermic fish
- Stenotopic organisms
- Sterlet
- Sticklebacks
- Stizostedion lucioperca
- Stone loach
- Sturgeons
- Stylophthalmus
- Sublittoral
- Subspecies
- Substratophile
- Suction fishing gear
- Supralittoral
- Swamp
- Swim bladder
- Symbiosis
- Sympathetic nervous system
- Sympatric species
- Symphysis
- Syngnathidae
T
- Taxon
- Teeth
- Teleostei
- Temporary pond (puddle)
- Tench
- Terminal mouth
- Testes
- Tetraodontidae
- The excretory system
- The length of the fish to Smith
- The loach (Misgurnus fossilis)
- The mating period
- Thermoreceptor
- Thoracic location of pelvic fins
- Three-spined stickleback
- Thymallidae
- Thymallus
- Tolerant species
- Trematoda
- Triggerfishs
- Trophology
- Tropibasal skull
- Tubificidae
- Tunny, Little Euthynnus alletteratus
- Two-layer lake
- Two-year-old fish
- Two-yearling