Zoidberg vs. Aquaman?

While enjoying the feast of art at Monster Brains, we came across the collection of old Aquaman comic book covers posted there. It was this cover in particular that commanded attention:

Take a closer look at the beastie in the lower left corner:

Is that a distant relative of everyone's favorite Decapodian scene-stealer from Futurama, Dr. John A. Zoidberg? It resembles Zoidberg midway between phases of his lifecycle, a bit urchin, a bit cuttlefish and a whole lotta squid-faced crustacean. Observe:

Crossover? We'll keep our fingers crossed. But who do we root for?