lancetfish

Thân thiện

A lancetfish swims through the deep ocean with its sail-like fin.

Definition

Noun: 1. A large, elongated, deep-sea fish: A lancetfish is a type of predatory fish that lives in the open ocean. It is characterized by its very large size, elongated body, lack of scales, sharp teeth, and a prominent, sail-like dorsal fin that runs along most of its back.

Usage Examples

• Noun:
  • The marine biologist was excited to study a rare specimen of a lancetfish caught in the deep-sea net.
  • Lancetfish are known to be aggressive predators, feeding on other fish and squid.
  • The most striking feature of the lancetfish is its tall, sail-like dorsal fin.

Advanced Usage

• Scientific context: The term is used precisely in ichthyology (the study of fish) and marine biology to refer to species within the genus . Their biology is not fully understood due to their deep-water habitat.
  • The paper discussed the unusual hermaphroditism observed in the lancetfish.

Variants and Related Words

• Lancet fish: An alternative, less common spelling of the compound noun.
• Alepisaurus: The scientific genus name for lancetfish.
• Deep-sea fish: A general category that includes the lancetfish.

Synonyms

• Wolf fish (regional/less common)
• Handsaw fish (regional/less common)

Related Phrases / Idioms

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

Học thuật

Noun

1. large elongate scaleless oceanic fishes with sharp teeth and a long dorsal fin that resembles a sail

Từ đồng nghĩa

• lancet fish
• wolffish