page_title: Lesser spiny eel
section_title: Physical characteristics
hierarchical_section_title: Lesser spiny eel / Physical characteristics
caption_attribution_description: Bain fish also known as pakal fish.
context_page_description: The lesser spiny eel, Macrognathus aculeatus, is a Southeast Asian tropical freshwater fish belonging to the family Mastacembelidae. They are uncommonly found in aquaria.
context_section_description: The eel has an upper-body that is yellow, a black line down the middle and the lower-body is usually a mix of white and brown.  Along the backbone of the eel, the dorsal fin is preceded by numerous isolated small spines that can be raised, giving them the name.  The dorsal fin also has many prominent eyespots along the base.  There are many different variations of the Spiny Eel.  They can grow up to be 14 inches long (35 centimeters), but are usually smaller.
caption: eel from Bangladesh.
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