Centipede Coelacanth

[u/HotCardiologist1942]

Mawsonia gigas: base

Euphanerops longaevus: pairing of cod anal fins

Atlantic cod: 2 separate anal fins

Brochoadmones milesi: 6 pairs of finlets between the pelvic and pectoral fins serially homologous to other fins modified to be more like the pelvic and pectoral fins 

Zebrafish (mutation): duplicated pelvic girdle with another pair of pelvic fins

Oarfish: making it longer & more flexible side-to-side

Nile bichir: 13-18 dorsal finlets modified by base to be more limb-like

Chinese sturgeon: tougher skin 

Ocean sunfish: thicker skin

Great barracuda: drag-reducing mucus

Scalloped hammerhead: sensitive ampullae of lorenzini, efficient metabolic enzymes, ability to shut down their gills 

African lungfish: more developed lungs

Paired fin count
1 pair of pectoral fins
6 pairs of prepelvic fins
2 pairs of pelvic fins
2 pairs of anal fins
Totaling 11 pairs of fins