Related Clues:

• Elongated swimmer
• Hippocampus
• Fish that swims upright
• Fish with a prehensile tail
• Cousin of a stickleback
• Fish species
• Needle-toothed fish
• Needle-fish
• Car's home, in realty ads
• Sharp-toothed fish
• Fish whose male carries the eggs
• Air-gulping swimmer
• Pregnant swimming male, perhaps
• Alligator ___ (underwater menace)
• Fish that swims in an upright position