threadfin goby; Myersina filifer
A specific species of goby with elongated fin rays, known as Myersina filifer. The name is primarily used in biological or aquarium contexts.
The threadfin goby lives by digging burrows in sandy bottoms.
Kanji spelling is rare and may not be widely recognized; the katakana form is standard.
The name イトヒキハゼ (糸引鯊) literally means 'thread-pulling goby', referring to the elongated, thread-like fin rays characteristic of this species.