Possible Clues:

• Upright fish; so here's a (anag.)
• Hearse so ramshackle, its place is in the breakers
• Reportedly observe hard drug? Something fishy here
• Small fish with head like an engine animal
• Small marine creature of equine nomenclature
• No amateur villain would be able to stop the sitting like this.
• Small fish with equine-like head.
• Mount for the god Neptune
• Is this the type of thoroughbred on beach at Laytown races? Looks equine with fishy tale reportedly
• Hippocampus hippocampus, e.g