Lutjanidae

Lutjanidae is a family of marine ray-finned fishes known as snappers, found mainly in tropical and subtropical seas. Many species are important predators and food fishes.

Percomorpha: A large clade of ray-finned fishes that includes most familiar marine teleosts. Lutjanidae belongs within this broad radiation of modern spiny-finned fishes.
Predation: An interaction in which one organism captures and consumes another. Many snappers hunt fishes and invertebrates, shaping food webs around reefs and coastal habitats.
Commercial fishing: The capture of aquatic organisms for sale and distribution. Many lutjanids support valuable commercial fisheries in tropical coastal regions.
Groupers: Marine fishes in the family Epinephelidae, often robust predators with large mouths. Groupers share reef habitats with snappers but belong to a separate fish family.
Trophic cascade: A sequence of indirect ecological effects caused when changes at one trophic level alter others. Changes in snapper abundance can affect prey populations and reverberate through reef food webs.
Perciformes: A traditional order of ray-finned fishes, historically used for many unrelated lineages. Older classifications placed snappers among perciform fishes, though modern systems often differ.
Diel vertical migration: Daily movement of aquatic organisms between different depths, often linked to feeding and light. Some snappers move between reefs and deeper waters as conditions and feeding opportunities change.
Recreational fishing: Fishing undertaken primarily for leisure rather than commercial sale. Snappers are widely sought by anglers for their size, habitat, and food value.
Haemulidae: A family of marine fishes commonly called grunts, many of which inhabit tropical reefs. Grunts resemble snappers in habitat and body form but form a distinct family.
Overfishing: Fishing that removes organisms faster than populations can replenish them. Intense harvest has depleted some snapper populations and altered their age and size structure.

Linked from 2 pages

PriacanthidaeRelated: Snappers share tropical marine habitats with bigeyes and may prey on them.