Big-belly seahorse The big-belly seahorse (H. abdominalis) has a larger abdomen than other seahorse species. (more) Why Do So Few Baby Seahorses Survive? Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/science/Why-Do-So-Few-Baby-Seahorses-Survive Feedback Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login). Feedback Type Select a type (Required) Factual Correction Spelling/Grammar Correction Link Correction Additional Information Other Your Feedback Submit Feedback Thank you for your feedback Our editors will review what you’ve submitted and determine whether to revise the article.

　　External Websites Ask the Chatbot a Question Written by The Editors of Encyclopaedia Britannica Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... The Editors of Encyclopaedia Britannica Last Updated: Sep 2, 2025 • Article History Table of Contents Table of Contents Ask the Chatbot Fewer than 5 in every 1,000 seahorse babies survive to adulthood. One of the main reasons for this low survival rate is that seahorse parents leave their offspring to fend for themselves immediately after birth, similar to most fish species. This means that baby seahorses are vulnerable to numerous predators and ocean currents, which might sweep them away from the microorganism-rich feeding grounds that are essential to their survival. Nevertheless, the survival rate of seahorse babies is only slightly worse than that of other fish. While seahorses produce only between 100 and 2,000 eggs in a brood, depending on species, ...(100 of 181 words)

　　Continue reading with Britannica Premium The trusted destination for facts and information 7-Day Free Trial, No Ads, Unlimited Access Subscribe Today