| Glossary Term starting with H |
| Search SeaLifeBase |
| Haarukkapalasilli |
| Haberdine |
| Habitat |
| Habitus |
| Hachures |
| Hadal |
| Hadalpelagic |
| Haddock chowder |
| Hadobenthic |
| Hadopelagic |
| Haemal spine |
| Haematophagus |
| Hagfishes |
| Hairyfish and tapetails or ribbonbearers |
| Hakes and burbots |
| Half spent fish |
| Half-life |
| Half-salted fish |
| Half-saved |
| Half-sibs |
| Halfbeak stage |
| Halfbeaks |
| Halieutic |
| Halieutics |
| Haline |
| Hallucinogenic fishes |
| Halmahera Sea |
| Halo |
| Halocline |
| Halolimnic |
| Halophilous |
| Halosaurs |
| Hammer-shaped |
| Hammerhead sharks |
| Hampen |
| Hamsi macunu |
| Hamular |
| Hanyak |
| Hapantotype |
| Hapas |
| Haploid |
| Haptobenthos |
| Hard cure |
| Hard roe |
| Hard smoked fish |
| Hard water |
| Hard-copy |
| Hard-dry |
| Hardness |
| Hardware |
| Hardy-Weinberg equilibrium |
| Hardy-Weinberg law |
| Harem |
| Hareng saur |
| Harling |
| Harpoon |
| Harpooning |
| Hartsalzung |
| Harvard University Museum of Comparative Zoology, Cambridge, USA |
| Hastate |
| Hatch |
| Hatch box |
| Hatchery |
| Hatching |
| Hatching jar |
| Hatching trough |
| Hatchling |
| Haul |
| Havyar |
| Hawkfishes |
| Head |
| Head boat |
| Head clasper |
| Head crest |
| Head depth |
| Head length |
| Head rope |
| Head spines |
| Head width |
| Headed fish |
| Header |
| Headline |
| Headwaters |
| Heavy fish |
| Heavy salt |
| Heavy salted |
| Hebrew University, Jerusalem |
| Hectographing |
| Heincke's law |
| Heitreykt |
| Helical |
| Helophilous |
| Hemi |
| Hemibranch |
| Hemiplankton |
| Hemitrich |
| Hen |
| Hepat |
| Hepaticae |
| Hepato |
| Hepatosomatic index |
| Herbicide |
| Herbivore |
| Herbivorous |
| Heringsstip |
| Heritability |
| Hermaphrodism |
| Hermaphroditic |
| Hermatypic |
| Herpobenthos |
| Herrings |
| Heteracanth |
| Hetero |
| Heterocercal |
| Heterodont |
| Heterodont dentition |
| Heterodontoid |
| Heterolecithal |
| Heterosis |
| Heterospecific |
| Heterothermic |
| Heterotroph |
| Heterozygosity |
| Heterozygote |
| Hexanchoid |
| Hiatus |
| Hibernaculum |
| Hibernation |
| Hiemal |
| High island earthform |
| High islet lagoon |
| High islet ocean |
| High period |
| Highly commercial |
| Hill |
| Hill(s) |
| Hillstream loaches |
| Hindbrain |
| Hindgut |
| Hingemouths |
| Hirudinea |
| Histamine |
| Histogram |
| Histology |
| Hokkaido University, Faculty of Fisheries, Minato-machi, Japan |
| Holarctic |
| Hole |
| Holo |
| Holoblastic |
| Holocene |
| Holocephali |
| Holoeuryhaline |
| Holomictic |
| Holopelagic |
| Holoplankton |
| Holosubantarctic |
| Holothurian |
| Holotype |
| Home range |
| Homeo |
| Homeosmotic |
| Homeostatic |
| Homeotherm |
| Homing accuracy |
| Homo |
| Homocercal |
| Homodont |
| Homodont dentition |
| Homoeotherm |
| Homogenized condensed fish |
| Homogenous |
| Homogenous yolk |
| Homoiotherm |
| Homolecithal |
| Homologue |
| Homology |
| Homonym |
| Homonymy |
| Homoplasy |
| Homotherm |
| Homozygote |
| Horizontal classification |
| Horizontal length |
| Horn sharks |
| Horny |
| Horny capsule |
| Hoshi-Nori |
| Host-specific |
| Hot marinated fish |
| Hot smoked |
| Hot spring |
| Hotspot |
| Houndsharks |
| Hover |
| Hudson Bay |
| Humboldt State University, California |
| Humeral |
| Humeral process |
| Humeral scale |
| Humic lake |
| Huss |
| Hvidvirket klipfisk |
| Hyaline |
| Hyalodentine |
| Hybrid |
| Hybrid vigour |
| Hybridization |
| Hybridogenesis |
| Hydrated eggs |
| Hydric |
| Hydro |
| Hydrobiology |
| Hydrodynamic noise |
| Hydrograph |
| Hydrographic survey |
| Hydrography |
| Hydrohaline |
| Hydroid |
| Hydrology |
| Hydrophone |
| Hydrosaline |
| Hydrothermal vents |
| Hydrotroph |
| Hydrozoans |
| Hyoid |
| Hyoid barbel |
| Hyomandibular nerve foramina |
| Hyomandibular pores |
| Hypaxial |
| Hyper |
| Hyperbenthic |
| Hypercalcified structures |
| Hypercapnia |
| Hypereutrophic |
| Hyperhaline |
| Hyperlink |
| Hyperphagy |
| Hyperphyzation |
| Hypersaline |
| Hypersaline embayments |
| Hypertext |
| Hypertonic |
| Hypo |
| Hypobatic |
| Hypobenthile |
| Hypobenthos |
| Hypobranchial |
| Hypocercal |
| Hypochord |
| Hypodigm |
| Hypogean |
| Hypolimnion |
| Hypopyle |
| Hyporheic |
| Hypothetical concept |
| Hypotonic |
| Hypoxia |
| Hypoxic |
| Hypsi |
| Hypural |
| Hypural bones |
| Hypural crease |
| Hypural fold |
| Hypural notch |
| Hypural plate |
| Hypurals |