Tags
- Actinopterygii
- African wild dog
- Agnatha
- Alaska
- Amniote
- Amphibian
- Amphiprioninae
- Ampullae of Lorenzini
- An
- Anatomical terms of location
- Anchovy
- Angel shark
- Anglerfish
- Anguilliformity
- Animal sexual behaviour
- Anisogamy
- Anus
- Apoptosis
- Aquaculture of catfish
- Aquaculture of salmonids
- Aquatic feeding mechanisms
- Arthropod
- Asexual reproduction
- Atlantic cod
- Bait ball
- Bait fish
- Barbel
- Batoidea
- Beetle
- Betta
- Bilateria
- Billfish
- Biodiversity
- Bird
- Blacktip shark
- Body orifice
- Bonnethead
- Bonobo
- Bottom feeder
- Bowfin
- Branchial arch
- Bubble nest
- Butterfly
- Canidae
- Canine reproduction
- Carp
- Cat
- Catshark
- Cavefish
- Cell
- Cell nucleus
- Cephalopod
- Cheetah
- Chimaera
- Chondrichthyes
- Chorion
- Chromatophore
- Cichlid
- Clasper
- Climate
- Climate change
- Cloaca
- Cnidaria
- Coarse fishing
- Coastal fish
- Cod
- Coelacanth
- Coelom
- Coho salmon
- Coldwater fish
- Copulation
- Coral
- Coral reef fish
- Corpus luteum
- Courtship display
- Coyote
- Crab
- Crocodilia
- Cuckold
- Cyprinidae
- Deep sea fish
- Demersal fish
- Diel vertical migration
- Dingo
- Diversity of fish
- DOI
- Dolly Varden
- Dolphin
- Dorsal fin
- Earthworm
- Echinoderm
- Ecosystem
- Eel
- Eel life history
- Egg
- Egg case
- Elasmobranchii
- Elephant
- Embryo
- Endocrine
- Enzyme
- Epididymis
- European badger
- Evolution
- Evolution of fish
- Evolution of sexual reproduction
- External fertilization
- Fear of fish
- Fecundity
- Felidae
- Fertilisation
- Filter feeder
- Fish
- Fish anatomy
- Fish as food
- FishBase
- Fish bone
- Fish development
- Fish diseases and parasites
- Fisherian runaway
- Fishery
- Fish farming
- Fish-Fin
- Fish gill
- Fishing
- Fishkeeping
- Fish kill
- Fish migration
- Fish physiology
- Fish scale
- Flatfish
- Flying Fish
- Follicular atresia
- Forage fish
- Fossa
- Freshwater fish
- Frog
- Game fish
- Gamete
- Gametophyte
- Gates of the Arctic Wilderness
- Germ cell
- Germinal epithelium
- Gill raker
- Gill slit
- Goby
- Goldfish
- Gonad
- Gonochorism
- Gorilla
- Granulosa cell
- Groundfish
- Grouper
- Guppy
- Hagfish
- Hamlet
- Hammerhead shark
- Handicap principle
- HDL
- Hermaphrodite
- Herring
- Hippopotamus
- Human sexual activity
- Hybrid
- Ichthyology
- Ichthyoplankton
- Inbreeding
- Inbreeding depression
- Insect
- Internal fertilization
- International Standard Book Number
- International Standard Serial Number
- Intromittent organ
- Jellyfish
- JSTOR
- Juvenile fish
- Kamboja
- Kangaroo
- Kobuk Valley National Park
- Lamprey
- Larva
- Lateral line
- Lek
- Lek mating
- Lemon shark
- Life history theory
- Lion
- Lists of aquarium life
- Lists of prehistoric fish
- Live-bearing aquarium fish
- Livelihood
- Livelihoods
- Love dart
- Lumen
- Lungfish
- Lymph
- Mackerel
- Mammalian reproduction
- Mandrill
- Marine habitats
- Marsupial
- Mate choice
- Mating
- Mating call
- Mating plug
- Mating system
- Meiosis
- Mekong
- Metamorphosis
- Milt
- Modes of reproduction
- Mosquitofish
- New
- Non-reproductive sexual behavior in animals
- Octopus
- Octopus aquaculture
- Oily fish
- Olive baboon
- Oocyte
- Operculum
- Orange
- Osteichthyes
- Otolith
- Ovarian follicle
- Ovary
- Oviduct
- Oviparity
- Ovoviviparity
- Ovum
- Papilla
- Parasitism
- Parrotfish
- Parthenogenesis
- Pelagic fish
- Pelvic thrust
- Pelvis
- Pharyngeal arch
- Pharyngeal teeth
- Photophore
- Pinniped
- Pipefish
- Placenta
- Placentalia
- PMC
- Poeciliidae
- Poisonous fish
- Pollock
- Polygyny in animals
- Porbeagle
- Predatory fish
- Promiscuity
- Puberty
- PubMed
- Raccoon
- Red fox
- Reproductive synchrony
- Reproductive system
- Reptile
- Ring-tailed lemur
- River
- Rivers
- RoboTuna
- Rodent
- Roe
- Rough fish
- RUT
- Salamander
- Salmon
- Salmonidae
- Salmon Run
- Sand tiger shark
- Sarcopterygii
- Sardine
- Sardine run
- Scientist
- Scorpion
- Sea anemone
- Seahorse
- Seasonal breeder
- Seminiferous tubule
- Sequential hermaphroditism
- Sexual cannibalism
- Sexual conflict
- Sexual dimorphism
- Sexual intercourse
- Sexual reproduction
- Sexual selection
- Sexy son hypothesis
- Shark
- Shark tooth
- Shoaling and schooling
- Siamese Fighting Fish
- Skate
- SPAWN
- Spawning
- Sperm
- Spermatogenesis
- Spermatogonium
- Spermatozoon
- Sperm competition
- Spider
- Spinner shark
- Sponge
- Spotted hyena
- Sprat
- Sturgeon
- Suckermouth
- Surfperch
- Swim bladder
- Teeth
- Teleost
- Testicle
- Tiger
- Tropical Fish
- Tuatara
- Tuña
- Tunica albuginea
- Turning
- Undulatory locomotion
- Urethra
- Urinary meatus
- Vas deferens
- Vertebrate
- Vision in fishes
- Viviparity
- Walking fish
- Walrus
- Wayback Machine
- Whitefish
- Why
- Wild fisheries
- Wolf
- Wrasse
- Yolk
- Yolk sac
- Yunnan
- Zebra shark
- Zooplankton
- Zygosity