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The Complete List of Farm Animals That Start With O

This collection presents 12 Farm Animals that start with O, spanning from “Olive flounder” to “Ostrich”. These species are commonly kept for meat, eggs, fiber, milk, or labor across diverse farm systems. The list includes both widely farmed species and regionally important ones.

Farm animals that start with “O” are species farmed for food, fiber, or work, whose names begin with O. For example, ostriches have been farmed for meat and feathers since the 1800s.

Below you’ll find the table with Common name, Scientific name (binomial), Order, and Typical habitat (production system).

Common name: The everyday name helps you quickly identify familiar animals and match them to local farm uses.

Scientific name (binomial): Provides the formal Latin name so you can find precise species information and avoid regional confusion.

Order: Shows the taxonomic group above family, helping you compare related animals and understand broad biological traits.

Typical habitat (production system): Describes common farm settings or systems where the animal is raised, useful for planning or study.

Farm Animals that start with O

Common nameScientific nameTaxonomic orderPrimary product(s)
OstrichStruthio camelusStruthioniformesmeat, eggs, leather, feathers
Olympia oysterOstrea luridaOstreidaaquaculture, food
Olive flounderParalichthys olivaceusPleuronectiformesaquaculture, food
Orange-spotted grouperEpinephelus coioidesPerciformesaquaculture, food
Oriental river prawnMacrobrachium nipponenseDecapodaaquaculture, food
Orange mud crabScylla olivaceaDecapodaaquaculture, food
Orange clownfishAmphiprion perculaPerciformesaquaculture, pet
OscarAstronotus ocellatusCichliformesaquaculture, pet
Olive ridley sea turtleLepidochelys olivaceaTestudinesmeat, aquaculture
Oriental weatherfishMisgurnus anguillicaudatusCypriniformesaquaculture, food, pet
Ornate spiny lobsterPanulirus ornatusDecapodaaquaculture, food
OrfeLeuciscus idusCypriniformesornamental, food

Descriptions

Ostrich

Ostrich

Large flightless bird farmed for lean meat, very large eggs, durable leather and feathers; raised on ranches in Africa, Australia and elsewhere.

Olympia oyster

Olympia oyster

Small native Pacific oyster farmed in shellfish aquaculture on the North American west coast for food and habitat restoration.

Olive flounder

Olive flounder

Important flatfish cultured in East Asia, grown in coastal pens and hatcheries for mild-flavored table fish.

Orange-spotted grouper

Orange-spotted grouper

Widely cultured grouper in Asia, raised in sea cages and ponds for firm white flesh and commercial markets.

Oriental river prawn

Oriental river prawn

Freshwater prawn cultured in Asian ponds and rice-field systems for local consumption and small-scale aquaculture.

Orange mud crab

Orange mud crab

Mangrove-associated crab farmed in coastal ponds across Southeast Asia for its meat and export markets.

Orange clownfish

Iconic orange aquarium fish bred in hatcheries for the ornamental trade; known for its anemone symbiosis and bright color.

Oscar

Oscar

Large, hardy cichlid commonly bred for the aquarium trade; farmed in ponds and hatcheries for pets and ornamental sales.

Olive ridley sea turtle

Small sea turtle sometimes kept in coastal farms for meat or breeding programs; found in tropical and subtropical oceans.

Oriental weatherfish

Oriental weatherfish

Loach species farmed in East Asia for food and the aquarium trade; tolerant of low-oxygen ponds and used in rice-field culture.

Ornate spiny lobster

Ornate spiny lobster

High-value tropical lobster cultured in sea cages and hatcheries across the Indo-Pacific for export and local markets.

Orfe

Orfe

Also called golden orfe, kept in garden ponds and farmed ornamentally across Europe and Asia; sometimes used for food or stocking.

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