What question did this study set out to answer?

The study aims to document mating behaviour in the endangered Groovebelly Stingray to enhance understanding of its reproductive strategies.

July 5, 2026Journal of Fish Biology

First drone‐based in situ observation of mating behaviour in the Groovebelly Stingray ( D. hypostigma ) in the Southwestern Atlantic

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The study aims to document mating behaviour in the endangered Groovebelly Stingray to enhance understanding of its reproductive strategies.
Drone-based observation conducted in May 2025 off Ilhabela, Brazil.
Mating event involved one female and four males, lasting approximately 3 minutes.
Behavioural sequence included close following and pre-copulatory biting, with no aggression.
First documented mating behaviour of Groovebelly Stingray through drone observation.
Behaviors recorded included close following and pre-copulatory biting, suggesting reproductive strategies.
Findings emphasize the effectiveness of drone surveys for studying elasmobranchs.

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Implication

We report the first in situ observation of mating behaviour in endangered Groovebelly Stingray, suggesting effective use of drones in elasmobranch research.

Cite This Study

Ferreira et al. (2026) studied this question.

synapsesocial.com/papers/6a49f591f5d1d45b2880057d https://doi.org/10.1111/jfb.70539

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Implication

We report the first in situ observation of mating behaviour in endangered Groovebelly Stingray, suggesting effective use of drones in elasmobranch research.

First drone‐based in situ observation of mating behaviour in the Groovebelly Stingray ( D. hypostigma ) in the Southwestern Atlantic

Key Points

Discussion

Implication

Cite This Study

First drone‐based in situ observation of mating behaviour in the Groovebelly Stingray ( D. hypostigma ) in the Southwestern Atlantic

Key Points

Discussion

Implication

Cite This Study

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