Girdled Shrimpgoby Confirmed Extant in Taiwan and Malaysia
New research confirms the girdled shrimpgoby is still present in Taiwan and identifies its first record in Malaysia, resolving long-standing ...
Tag: sexual dimorphism
Study Maps Gene Activity Behind Female Beetle Horns
Comparative transcriptomics in three Onthophagus beetles links female horn plasticity to conserved and lineage-specific gene-expression networks, with functional experiments still ...
Amazon Racerunner Lizards Filmed Mating in Panama for the First Time
Researchers have documented the first detailed mating event of the Amazon racerunner lizard Ameiva praesignis in Panama, revealing courtship behaviors ...
Tiny Triassic Fish Reveals Ancient ‘Silk Road’ Across the Tethys Ocean
A redescription of the 240-million-year-old miniature fish Habroichthys orientalis from China confirms its genus, reveals the first CT-scanned Triassic otolith, ...
Tiny miRNA in the placenta may explain why female fetuses bear the brunt of growth restriction
A new study traces impaired placental angiogenesis in female fetal growth restriction to a microRNA that represses angiopoietin-2 and suppresses ...
Mating Systems and Mimicry Shape the Wings of Heliconius Butterflies
A geometric morphometric study of Heliconius butterflies reveals that mating systems and sex-specific reproductive pressures dominate wing shape evolution, while ...
Evidence of male anatomy in a mid-Cretaceous Burmese miniaturised amber gecko
Two mid-Cretaceous amber lizards from Myanmar preserve fine integumentary detail, and one shows a hemipenal bulge that identifies it as ...
New moth species stuns scientists with dramatically different males and females
A tiny new moth from the Adriatic coast is the first sexually dimorphic species ever found in the large subgenus ...
Male Darwin Wasps Unveiled: African Acropimpla Species Reveal Hidden Sexes and New Range Records
A year-long Malaise trap study in Uganda and Côte d'Ivoire has produced the first male descriptions for two African Acropimpla ...
Half Male, Half Female: Cave Cricket Shatters Sex Boundaries in a World First
Researchers report the first gynandromorph ever found in a phalangopsid cricket, a Brazilian cave cricket showing a striking mosaic of ...
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Mothers who receive childcare support from maternal grandparents show more parental warmth, finds NTU Singapore study
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University of Seville Breaks 120-Year-Old Mystery, Revises a Key Einstein Concept
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Bee body mass, pathogens and local climate influence heat tolerance
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Researchers record first-ever images and data of a shark experiencing a boat strike
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Groundbreaking Clinical Trial Reveals Lubiprostone Enhances Kidney Function
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