(from ebookjapan):

Welcome to the Aquarium of Fantasy and Mystery. Mermaids, fishmen, and the "Vampire Squid of Hell" are all on display. Daijiro Morohoshi's second natural history book! The overwhelming imagination draws a motif of "fish"!

The adventures of a young mermaid in the deep sea, "The Mermaid Princess of the Deep Sea," and its sequel, "Return to the Deep Sea." "Shark Man," a Chinese horror story that is the author's specialty. A sequel to the SF fantasy "The Bird Seller," which was included in "The Private Edition of Birds" "The Fish Are Here! and more, a full-course of seven works that condense the charms of Daijiro Morohoshi!