loach

/loutʃ/

Thân thiện

A small loach swims among the pebbles in a clear stream.

Definition

1. Noun:
   • A loach is a type of small, slender freshwater fish found in Eurasia and Africa. They are bottom-dwelling fish, often having barbels (whisker-like sensory organs) around their mouths, which gives them a resemblance to catfish.

Usage and Examples

• Noun:
  • The hillstream loach is adapted to live in fast-flowing water.
  • We saw several loaches scavenging for food at the bottom of the aquarium.
  • Some species of loach are popular in the aquarium trade.

Advanced Usage

• "Weather loach": A common name for certain loach species, especially in the genus , known for their unusual behavior of becoming more active when barometric pressure changes before a storm.
  • The weather loach is sometimes called a "weatherfish" because of its sensitivity to atmospheric pressure.

Variants and Related Words

• Loaches (n): The standard plural form of 'loach'.
• Botiid (n): A term relating to or denoting a family (Botiidae) of loaches.
  • The clown loach is a well-known botiid.

Synonyms

• Bottom feeder: A general term for fish that feed on the bottom, which describes the behavior of many loaches, though not all bottom feeders are loaches.
• Cypriniform fish: A technical term; loaches belong to the order Cypriniformes, which also includes carps and minnows.

Related Phrases and Idioms

(This word is a specific zoological term and is not commonly used in idiomatic expressions or phrasal verbs.)

Học thuật

Noun

1. slender freshwater fishes of Eurasia and Africa resembling catfishes