Abyssal Snailfishes

Lifeform: 3 snailfish encountered

Location: eastern abyssal Pacific

Depth: 3,268–4,119 m

Gerringer ME, Suplicz S, Palmeri JL, et al. Descriptions of Three Newly Discovered Abyssal Snailfishes (Liparidae) from the Eastern Pacific Ocean. Ichthyology & Herpetology. 2025;113(3):487–506. doi: 10.1643/i2024069

Cryptic diversity in deep-sea snailfishes require imaging, morphological, and genetic approaches. Ventral suction disk to cling to rocks, forming a curled, snail-like posture. Scaleless bodies, elongated body forms. Snailfishes inhabit multiple deep-sea habitats worldwide.

Opercular flap terminates in triangle with some fleshiness

snout deep

A pink round fish in a deep green sea. One image is straight on. Is it smirking? Two side profile pics show its many whisker-like chin fins.

“Head strikingly textured with small, soft, fleshy prickles giving skin a bumpy texture, covering the full body but especially prominent on the head of the fish” (p493)

Bumpy Snailfish/Careproctus colliculi

  • bumpy
  • pink color
  • round head
  • large eye
  • large suction disk

Dark Snailfish/Careproctus yanceyi

  • dark
  • ventral suction disk
  • single nostrils
  • black body
  • rounded head
  • horizontal mouth

Sleek Snailfish/Paraliparis em

  • long, black, laterally compressed body
  • no suction disk
  • prominently angled jaw
  • anteriorly positioned anus
Images from Gerringer et al (2025)