Strange deep-sea fish found walking sideways and backwards on ocean floor

Summary

Deep-sea searobin fish can walk backwards and sideways on the ocean floor using specialized pectoral fins and shrimp-like movements. Deep-submersible footage from the northern South China Sea documented these previously unrecorded locomotion behaviors in Scalicus engyceros.

Key Takeaways

1. While most fish known to walk on the seafloor only do so forward, new footage from the South China Sea reveals the searobin can walk sideways or backwards as well.
2. Researchers used deep-sea vehicles to film various creatures in action on the ocean floor across three areas of the northern South China Sea.
3. The fish was first described by the German-British zoologist Albert Günther in 1872 but no one knew that it could walk sideways and backwards.

Statement Breakdown

• Claimed Facts: 75% of statements the article presents as facts
• Opinions: 20% of statements classified as editorial or subjective
• Claims: 5% of statements surfaced for additional reader evaluation

Credibility & Bias Reasoning

Credibility assessment: The reporting accurately summarizes peer-reviewed research published in Ocean-Land-Atmosphere Research. The article cites lead researcher Han Tian from Sun Yat-sen University and historical scientific context from zoologist Albert Günther. The findings are grounded in direct underwater submersible video observations.

Bias assessment: Scientific Informative. The text maintains an objective, informational tone focused on marine biology. Scientific terminology and direct quotes are presented without ideological framing or sensationalism. The enthusiasm reflected originates directly from the researchers studying the marine life.

Note: This report is based on peer-reviewed research; verify specific biological claims via the original study.

Credibility flag: Scientifically Grounded

Claimed Facts (5)

• States verifiable anatomical and biological measurements of the searobin.
• Presents checkable taxonomic and biological facts about Scalicus engyceros.
• Details historical taxonomic record checkable via zoological archives.
• Describes the factual research method and location of the study.
• Explains the physical structure and functional anatomy verified by researchers.

Opinions (5)

• Characterizes the finding subjectively as a paradigm shift.
• Expresses the lead author's subjective view on the significance of the paper.
• Describes the anatomical structure as awkward, which is a subjective aesthetic characterization.
• Presents a scientific evaluation of value and theoretical implications.
• Expresses forward-looking hopes and scientific aspirations rather than established facts.

Claims (5)

• Uses informal terminology describing the organism as a hybrid creature despite it being purely a fish.
• References a colloquial hybrid label from popular media that is biologically inexact.
• Makes an absolute negative claim regarding all other fish species observations that is difficult to substantiate universally.
• Uses vivid analogical language comparing anatomical features to soil-digging rakes.
• Refers to modified fin rays as legs, which is technically an informal anatomical comparison.

Key Sources

• Han Tian — Doctoral researcher at Sun Yat-sen University and lead author
• Vishwam Sankaran — Science journalist at The Independent
• Albert Günther — German-British zoologist who described the species in 1872
• Ocean-Land-Atmosphere Research — Peer-reviewed scientific journal
• Sun Yat-sen University — Academic institution in Guangdong, China