3,229 Species · 20,010 Reference Genes

Animal Gene Connections

Select a species to view its cataloged genes and compare strong and weak gene matches with other species.

Match strength and data sources

Strong MatchMatched across multiple ortholog sources (or high-confidence call) in both species

Weak MatchShared gene with a single-source or lower-confidence call in one or both species

Provisional Species (Hatched)Species currently covered by a single genome source

Loading gene catalog data…

Unpacking species, genes, biological functions, gene families, and tissue expression data.

Species A

Select a Species

3,229 species

Search by common name, scientific name, NCBI TaxID, or group

Kingdom Major Group Source Tier

Selected Species A (3,229 in list)

Commonly Compared Species Click to select

Percentage Calculation shared ÷ Selected Species Total Genes

Species Gene Matches

Strong and weak gene matches between the selected species and every other species in the catalog.

Search comparison species (Species B) Kingdom Major Group Source Tier Sort By

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Rank	Species B (Common & Scientific)	Kingdom & Group	Tier	Strong Match	Weak Match	Total Shared	Strong vs. Weak Bar	Action

Showing 1–100

Species A Olive Baboon

Species B (Search or Select)

Organ & Body-Part Expression (16 Organ Systems · GTEx v8 & HPA / Uberon)

Shared strong and weak genes between Species A and Species B grouped by human organ system expression. Click any organ system to filter the gene table below.

16 organ systems

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Organ / Body System (Uberon Ontology)	Strong Shared	Weak Shared	Only A / Only B	Shared / Organ Total	Strong vs. Weak

Biological Functions (132 GO Slim Terms)

Click any biological function to filter the gene table below.

132 terms

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Biological Function (GO Slim)	Strong	Weak	Shared / Total	Match Bar

Gene Families (2,215 HGNC Families)

Click any gene family to filter the gene table below.

2,215 families

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HGNC Gene Family	Strong	Weak	Shared / Size	Match Bar

Genes List (20,010 Reference Genes)

Filter by match status, organ system, biological function, gene family, chromosome, or symbol. Click any gene to see which species carry it.

20,010 genes

Search by Gene Symbol, Name, Tissue/Organ, Chromosome, or HGNC ID Sort Genes By

Example genes:

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Gene Symbol	Name	Chr	Primary Tissue / Organ (GTEx / HPA)	HGNC Family	Match Status (A ↔ B)	Species Carrying Gene	Details

Showing 1–100

Remaining Unfinished Species

All 64 previously unfinished sequenced species with genome or proteome data were resolved via PANTHER, UniProt, and NCBI RefSeq and merged into the completed catalog. The 4 remaining entries in UNFINISHED_CREATURES.txt are historical common-name notes without sequenced reference genomes.

4 remaining species

Search remaining species Major Group Status

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#	Common Name	Scientific Name	NCBI TaxID	Major Group	Batch	Status	Reason