The phrase "a finfish" is correct and usable in written English.
It can be used when referring to a type of fish that has a backbone and fins, typically in a biological or culinary context.
Example: "In our study of marine life, we focused on a finfish species that is commonly found in the Atlantic Ocean."
Alternatives: "a bony fish" or "a teleost fish".
Fishermen use chain-link nets attached to small motorized winches to dredge scallops from the ocean floor, and each haul may bring up as few as six or eight scallops, along with a couple of hundred pounds of other shellfish and a few finfish.
Not only was our intent to advance understanding of the complexity of broadcast spawning in a marine finfish, we also hoped to adapt hatchery management to an exploited species' mating system (e.g., Rowe and Hutchings 2003).
Although fishing has declined in recent years due to fears of contamination, the bay supports a large finfish population, and the efforts of environmental organizations and the federal government have pressured Alcoa to reduce the polluted areas.
Streptococcus iniae is a significant finfish pathogen responsible for annual losses in aquaculture exceeding $100 million [1].
The A. nobilis study system provided for a new appreciation of the complexity of seasonal broadcast spawning dynamics in a relatively large breeding aggregation of a pelagic marine finfish (albeit in a closed space).
Canola meal and canola protein concentrate have been investigated in a variety of finfish (Burel and Kaushik 2008).
The fishing vessels operating in the Falkland Islands are freezer/factory bottom trawlers targeting a variety of finfish species, including Patagonian rock cod (Patagonotothen ramsayi), hoki (Macruronus magellanicus), hakes (Merluccius hubbsi and M. autralis), southern blue whiting (Micromesistius australis), red cod (Salilota australis) and kingclip (Genypterus blacodes).
The pacu (Piaractus mesopotamicus) is a member of the characiform family (SuperOder Ostariophysi) native to the Prata Basin (South America) and is a target for finfish aquaculture in Brazil.
