OOIR: Observatory of International Research

Papers

(The median citation count of Zoological Letters is 2. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2022-05-01 to 2026-05-01.)

Article	Citations
Starvation resistance in the nematode Pristionchus pacificus requires a conserved supplementary nuclear receptor	23
Bones and all: a new critically endangered Pantepui species of Stefania (Anura: Hemiphractidae) and a new osteological synapomorphy for the genus	23
The influence of magnetic fields on the early ontogeny of the rainbow cichlid Herotilapia multispinosa (Günther, 1867)	23
Neuromuscular organization of the benthic ctenophore, Vallicula multiformis	22
Optical properties of the jellyfish surface above the waterline: microvillar array in pleustonic hydrozoans	20
Gene transcriptional profiles in gonads of Bacillus taxa (Phasmida) with different cytological mechanisms of automictic parthenogenesis	15
Nest architecture and male aggression drive sexual isolation between three-spined stickleback ecotypes	14
Systematics and phylogeny of the entomopathogenic nematobacterial complexes Steinernema–Xenorhabdus and Heterorhabditis–Photorhabdus	14
Sexual dimorphism in the tardigrade Paramacrobiotus metropolitanus transcriptome	11
Male spiny frogs enter the underwater battlefield with loose skin exhibiting enhanced penetration of capillaries into the epidermis	10
Cross-species multi-omic analyses of great ape ejaculates reveal novel strategies for enhancing sperm cryopreservation in Bornean orangutan (Pongo pygmaeus)	9
Epimorphic development in tropical shallow-water Nymphonidae (Arthropoda: Pycnogonida) revealed by fluorescence imaging	9
Correction: Deep-sea ctenostome bryozoans: revision of the family Pachyzoidae, with description of a new genus and three new species from Zealandia	8
Male Caenorhabditis elegans optimizes avoidance behavior against acute and chronic stress for successful mating with hermaphrodites	8
Effect of temperature cycles on the sleep-like state in Hydra vulgaris	8
Boring life: early colony formation and growth in the endolithic bryozoan genus Penetrantia Silén, 1946	8
Progesterone initiates tendril formation in the oviducal gland during egg encapsulation in cloudy catshark (Scyliorhinus torazame)	7
A review of the reproductive system in anuran amphibians	6
Correction: Morphological and radiological mapping of dental cusps in relation to spatial constraints on tooth shape of one humped camel (Camelus dromedarius)	6
Photo-refractoriness reflects bet-hedging strategies deployed in unpredictable environments in male Brandt’s voles	6
Comparative analysis of Hmx expression and the distribution of neuronal somata in the trigeminal ganglion in lamprey and shark: insights into the homology of the trigeminal nerve branches and the evol	6
New insights into the retinal microstructure-diurnal activity relationship in the African five-lined skink (Trachylepis quinquetaeniata) (Lichtenstein, 1823)	4
Difference in sulfur regulation mechanism between tube-dwelling and free-moving polychaetes sympatrically inhabiting deep-sea hydrothermal chimneys	4
Molecular phylogeny of the Acer-feeding aphid subfamily Drepanosiphinae (Insecta: Hemiptera: Aphididae) and the evolution of its endosymbiotic consortia	4
Proteins from shrews’ venom glands play a role in gland functioning and venom production	4

Scleral appearance is not a correlate of domestication in mammals	3
Type 1 vomeronasal receptor expression in juvenile and adult lungfish olfactory organ	3
Ancient rivers shaped the current genetic diversity of the wood mouse (Apodemus speciosus) on the islands of the Seto Inland Sea, Japan	3
Potential of Garra rufa as a novel high-temperature resistant model fish: a review on current and future approaches	3
Photoreceptor genes in a trechine beetle, Trechiama kuznetsovi, living in the upper hypogean zone	3
The use of polarized light in the zonal orientation of the sandhopper Talitrus saltator (Montagu)	2
Homology of the head sensory structures between Heterotardigrada and Eutardigrada supported in a new species of water bear (Ramazzottiidae: Ramazzottius)	2
Origin of the propatagium in non-avian dinosaurs	2
A transphyletic study of metazoan β-catenin protein complexes	2
The more we search, the more we find: discovering and expanding the biodiversity in the ring nematode genus Xenocriconemella De Grisse and Loof, 1965 (Nematoda: Criconematidae)	2
Allogeneic testes transplanted into partially castrated adult medaka (Oryzias latipes) can produce donor-derived offspring by natural mating over a prolonged period	2
A review of the genus Muusoctopus (Cephalopoda: Octopoda) from Arctic waters	2
Cockroach bacteriocytes migrate into the ovaries for vertical transmission of the bacterial endosymbiont Blattabacterium	2