''Horobishi Kemonotachi no Umi'' (滅びし獣たちの海 -- ''The Sea of Fallen Beasts'')) is a collection of short stories, written and illustrated by Yukinobu Hoshino, more often than not relating to [[ExactlyWhatItSaysOnTheTin the seas]].

!!Tropes included in this work include:
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* BodyHorror: ''Outburst''
* CityOfGold: ''Outburst''
* ColdWar: In the ''Red Zeppelin'' short story
* GeneticEngineeringIsTheNewNuke: ''Island of Sins''
* GaiasVengeance: In ''Outburst'' and ''Island of Sins''
* HeAlsoDid: Yukinobu Hoshino is mostly known for his sci-fi mangas, Manga/StarDustMemories, Manga/KodokuExperiment and [[TwoThousandOneNights 2001 Nights]]
* HotSubOnSubAction: Almost, in the ''Red Zeppelin''
* PrideBeforeAFall: ''Sea of Fallen Beasts''
* SeaMonster: ''Island of Sins'' and ''Sea of Fallen Beasts''
* ShootTheShaggyDog: ''Legend of the Demon Whale'', ''Sea of Fallen Beasts''
* StockNessMonster: ''Sea of Fallen Beasts''
* SubStory: ''Red Zeppelin'', and to a lesser degree ''Sea of Fallen Beasts''
* WholePlotReference: ''Legend of the Demon Whale''. No points given for guessing the [[MobyDick reference]].